28th January, 5 PM (17h)

Lutherkirche Konstanz (DE)

"note rubate"

La Tasteggiata

Tobie Miller, Barock-Drehleier

Marco Ambrosini, Schlüsselfidel

Eva-Maria Rusche, Cembalo

http://www.kultur-forum-lutherkirche.de/event-details/das-kleine-konzert.html

12th March, 6 PM (18h)

Lutherkirche Konstanz (DE)

Bach-Tage Konstanz

"BeoBACHtungen"

Julia Katterfeld, Sprache

Martin Stadler, Blockflöten

Marco Ambrosini, Schlüsselfidel

Eva-Maria Rusche, Cembalo und Orgel

http://www.kultur-forum-lutherkirche.de/bach-wochen-konstanz.html

19th March, 5 PM (17h)

Rathaus-Konzerte Diessenhofen (CH)

"note rubate"

La Tasteggiata

Tobie Miller, Barock-Drehleier

Marco Ambrosini, Schlüsselfidel

Eva-Maria Rusche, Cembalo

26th March, 6 PM (18h)

Lutherkirche Konstanz (DE)

Bach-Tage Konstanz

"Die Magie des Kontrapunktes"

Angela Ambrosini, Sopran-Schlüsselfidel

Marco Ambrosini, Alt-Schlüsselfidel

Mechthild Placke, Violoncello

Eva-Maria Rusche, Cembalo

http://www.kultur-forum-lutherkirche.de/bach-wochen-konstanz.html

2nd April

Santiago (ES)

"note rubate"

La Tasteggiata

Tobie Miller, vielle

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, harpsichord

3rd April

Santiago (ES)

"Pange lingua"

La Tasteggiata

Tobie Miller, vielle

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ and portativ

7th April, 5 PM (17h)

Lutherkirche Konstanz (DE)

Matthäus-Passion

mit Bachchor Konstanz / Michael Stadtherr

http://www.kultur-forum-lutherkirche.de/event-details/matthaeuspassion.html

23rd April

Hatzfeld/Eder (DE)

Elisabeth Champollion (Blockflöten)

Marco Ambrosini (Schlüsselfidel)

Eva-Maria Rusche (Cembalo und Orgel)

24th April

Schloss Plön (DE)

Elisabeth Champollion (Blockflöten)

Marco Ambrosini (Schlüsselfidel)

Eva-Maria Rusche (Cembalo und Orgel)

https://www.holsteinischeschweiz.de/event/325-ploener-schlosskonzert

6nd May

Ruhla (DE)

Marco Ambrosini (Schlüsselfidel)

Eva-Maria Rusche (Orgel)

7th May, 5 PM

Suhl (DE)

Bach-Booster

with Philipp Christ

13th May, 5PM

Lutherkirche Konstanz (DE)

with Martin Stadler

20th May

Wuppertal

Marco Ambrosini (Schlüsselfidel)

Eva-Maria Rusche (Orgel)

1st to 4th June

BraunschweigBAROCK

http://www.braunschweigbarock.de/

1st July, 5PM

Schlosskapelle Mammern (CH)

Orgelvesper

7th July

Bad Hersfeld (DE)

Alfedans

with Marco Ambrosini

15th July, 5PM

Schlosskapelle Mammern

with Marco Ambrosini

14th August

Forlì (IT)

Un po' di sana follia

with Martina Ricciardi, Angela and Marco Ambrosini

22th/24th Septembre

Piacenza (IT)

Stella Ariente

with Maria Moramarco

30th Septembre - 3rd Octobre

Tabor

with Martin Weber and Gebhardschor Konstanz

7th Octobre, 5PM

Schlosskapelle Mammern (CH)

Orgelvesper

15th Octobre

Friuli (IT)

Stella Ariente

with Maria Moramarco

9th-12th November

musica viva

Kurs "Improvisation auf dem Klavier"

https://musica-viva.de/musikkurse/klavierkurse/improvisation-auf-dem-klavier-level-b-c/improvisation-auf-dem-klavier-b-c-grund-mittelst-22/

19th February, 5 PM (17h)

Lutherkirche Konstanz (DE)

Un concerto folle

mit Giorgiana Pelliccia, Joseph Höhn, Marco Ambrosini und Alessandro Baldessarini

http://www.kultur-forum-lutherkirche.de

20th February

St. Stephan, Kreuzlingen (CH)

Un concerto folle

mit Giorgiana Pelliccia, Joseph Höhn, Marco Ambrosini und Alessandro Baldessarini

15th April

Lutherkirche Konstanz (DE)

Liszt: Via crucis

mit Bachchor Konstanz und Michael Stadtherr

30th April

Germanisches Nationalmuseum, Nürnberg (DE)

Lange Nacht der Alten Musik

with Ensemble Supersonus

Sphärenklänge

https://www.br.de/franken/inhalt/klassik/musica-antiqua-konzert5-100.html

4th June, 18:30 h

St. Gebhard, Konstanz (DE)

Konzert für 4 Orgeln

Werke von Albertini und Kayser

mit Martin Weber u.a.

26th June, 16h

Emmauskirche Bremen-Gröpelingen (DE)

Gröpelinger Barock

mit Marco Ambrosini

https://www.groepelbarock.de/

2nd July, 18h

Abbaye de Noirlac (FR)

Resonances

with Ensemble Supersonus

https://www.abbayedenoirlac.fr/en/lagenda/les-traversees-july-2nd/

9th July, 17h

Mammern (CH), Schlosskapelle

Tempus fugit

with Ensemble Metamorphonica

https://www.klinik-schloss-mammern.ch/app/uploads/2022/03/Veranstaltungskalender-2022.pdf

10th July, 17:30

Frauenfeld (CH), St. Laurentius, Frauenfeld-Oberkirch

Tempus fugit

with Ensemble Metamorphonica

https://frauenfelder-abendmusiken.ch/index.php/konzertzyklus-2022.html

30th July, 17h

Mammern (CH), Schlosskapelle

Orgelvesper

https://www.klinik-schloss-mammern.ch/app/uploads/2022/03/Veranstaltungskalender-2022.pdf

3rd August

Segesta (IT), Parco archeologico

Resonances

Ensemble Supersonus

https://palermo.repubblica.it

8th August, 21:30h

Bertinoro (IT), Chiesa del Suffragio

"Note rubate"

Marco Ambrosini (nyckelharpa)

Eva-Maria Rusche (organ)

https://entroterre.org/festival/agosto/

10th October

Düsseldorf (DE)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

https://www.ido-festival.de/

30th October

Napoli, Santa Caterina di Siena (IT)

with Martina Ricciardi, Angela Ambrosini and Marco Ambrosini

5th November, 18:30h

St. Gebhard, Konstanz (DE)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

https://konzilsorgel.de/veranstaltungen.html

10th-13th November

musica viva Musikferien

piano improvisation workshop

https://musica-viva.de

4th December

Konstanz (DE), St. Gebhard

Oratorium St. Nicholas

with Konstanzer Kammerchor

2nd January, 5PM (17h)

Lutherkirche Konstanz (DE)

Giorgiana Pelliccia, soprano

Marco Ambrosini, nyckelharpa

Alessandro Baldassarini, Theorba

Eva-Maria Rusche, harpsichord and organ

22nd May, 6:30 PM (18:30h)

St. Gebhard Konstanz (D)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

https://www.petershausen.net/

26th May, 5PM (17h)

Schlosskapelle Mammern (CH)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, piano

5th June, 6 & 8 PM (18 & 20h)

St. Pölten (A), Ehemalige Synagoge

Sphärenklänge

with Ensemble Supersonus

https://veranstaltungen.niederoesterreich.at/

26th June

Schlosskapelle Mammern (CH)

works by J.S. Bach et al.

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

9th-12th August

Masterclass Bertinoro (IT)

Centro Universitario CEUB

13th August

Milano Marittima (I)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

19th August

Ancona (IT)

Stella Ariente

20th August

Gravina (IT)

Alfedans - Works by Edvard Grieg

with Marco Ambrosini

21st August

Altamur (IT)

Stella Ariente

24th August

Lequile (IT)

Stella Ariente

4th September

Moss (N)

Bach festival

with Marco Ambrosini

7th September

Moss (N)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

10th September

Battenfeld (D)

with Ensemble Metamorphonica

11th September

Schlosskapelle Mammern (CH)

music for baroque organ

19th September

Suhl (D)

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

3rd October, 11.15AM

Stäfa (CH)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

9th October

Toulouse (F)

with Ensemble Supersonus

23th October

Wil (CH)

Alfedans - Works by Edvard Grieg

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

10th December, 7PM (19h)

Lutherkirche Konstanz (D)

JSB: Crossing the Borders

Die Magie des Kontrapunktes

Bach hoch 2 Quartett

19th December

Romanshorn (CH)

with Ensemble Supersonus

11th January, 5PM (17h)

Lutherkirche Konstanz (DE)

Angela Ambrosini, nyckelharpa

Marco Ambrosini, nyckelharpa

Mechthild Placke, cello

Eva-Maria Rusche, harpsichord

19th January, 5PM (17h)

Rathaus-Konzert Diessenhofen (CH)

Angela Ambrosini, nyckelharpa

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, harpsichord

1st February, 5PM (17h)

Lutherkirche Konstanz (DE)

Laura Jörres und Melissa Jõesaar, Barockgeigen
Rahel Klein, Viola da Gamba
Eva-Maria Rusche, Cembalo

2nd February, 5PM (17h)

St. Ursula Villingen (DE)

Laura Jörres und Melissa Jõesaar, Barockgeigen
Rahel Klein, Viola da Gamba
Eva-Maria Rusche, Cembalo

7th March, 11.30AM

St. Gebhardskirche Konstanz (DE)

"Orgelmusik zur Marktzeit"

Marco Ambrosini, Nyckelharpa

Eva-Maria Rusche, Orgel

10th April, 5PM (17h) CANCELLED DUE TO CORONA

"Passionskonzert"

Liszt: Via crucis

with Bach-Chor Konstanz

9th May, 5PM (17h) CANCELLED DUE TO CORONA

Lutherkirche Konstanz

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, harpsichord

27th May CANCELLED DUE TO CORONA

Konstanz (DE)

with Philharmonie Konstanz

14th June CANCELLED DUE TO CORONA

Hatzfeld, Emmauskapelle (DE)

Orgelkonzert

27th June CANCELLED DUE TO CORONA

Nürnberg (DE)

with Ensemble Supersonus

10th July CANCELLED DUE TO CORONA

Chornacht Konstanz (DE)

Gebhardschor Konstanz

Eva-Maria Rusche, organ

19th July

Stellichte (DE)

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

26th July CANCELLED DUE TO CORONA

Bremen (DE)

with Angela and Marco Ambrosini

29th August CANCELLED DUE TO CORONA

Moss (NO)

with Marco Ambrosini

12th September, 5PM

Mammern (CH)

Orgelvesper

26th September CANCELLED DUE TO CORONA

Überlingen (DE)

Theatermusik von Henry Purcell

Ensemble Musick Room

4th October 5PM

Hatzfeld (DE), Emmauskapelle

"Tasten - Schlüssel zur Musik"

with Marco Ambrosini

9th October CANCELLED DUE TO CORONA

Toulouse (FR)

with Ensemble Supersonus

17th October, 8PM (20h) CANCELLED DUE TO CORONA

Stadtkirche Meersburg (DE)

Giorgiana Pelliccia, soprano

Marco Ambrosini, nyckelharpa

Alessandro Baldassarini, Theorba

Eva-Maria Rusche, harpsichord and organ

7th November, 5PM (17h) CANCELLED DUE TO CORONA

Lutherkirche Konstanz

"Abschied, Trennung, Sehnsucht"

with Jutta Bogen and Mechthild Placke

http://www.kultur-forum-lutherkirche.de/event-details/das-kleine-konzert-street-melody.html

11th November, 7 PM CANCELLED DUE TO CORONA

Lutherkirche Konstanz (DE)

beoBACHtungen

Musikalische Lesung im Rahmen der Bachtage

Julia Katterfeld & Andreas Streichfuss | Worte
Andreas Geyer | Blasinstrumente
Eva-Maria Rusche | Tasteninstrumente

http://www.kultur-forum-lutherkirche.de/event-details/musikalische-lesung-im-rahmen-der-bachtage.html

15th November, 9 PM CANCELLED DUE TO CORONA

Lutherkirche Konstanz

JSB: Crossing the Borders

ODER Die Magie des Kontrapunktes

Angela Ambrosini, Schlüsselfidel

Marco Ambrosini, Schlüsselfidel

Mechthild Placke, Violoncello

Eva-Maria Rusche, Cembalo

28th November, 5PM CANCELLED DUE TO CORONA

Lutherkirche Konstanz (DE)

Magnificat anima mea dominum!

Konzert mit den Vocalensembles des Bach-Chors im Rahmen der Bachtage

Eva-Maria Rusche | Orgel & Cembalo
Marco Ambrosini | Schlüsselfidel & Violine

Michael Stadtherr | Leitung

http://www.kultur-forum-lutherkirche.de/event-details/magnificat-anima-mea-dominum-konzert-im-rahmen-der-bachtage.html

6th December CANCELLED DUE TO CORONA

St. Gebhard Konstanz (DE)

B. Britten: Saint Nicolas

with Konstanzer Kammerchor

26th December

Allensbach (DE)

with Kyoko Tanino and Gertraud Malchow

31st December, 10PM (22h)

St. Gebhard Konstanz (DE)

Silvesterkonzert

mit Martin Weber

13th April, 7PM

Tartu (Estonia)

Music of the Spheres
with Ensemble Supersonus

http://www.kandleliit.ee/xiii-rahvusvaheline-kandlefestival/peaesineja-supersonus/

19th April, 5PM(17h)

Konstanz (DE)

J.S.Bach: Johannespassion

with Bachchor Konstanz

http://www.kultur-forum-lutherkirche.de/event-details/Johannespassion.html

1st June, 5PM (17h)

Mammern, Schlosskapelle (CH)

Orgelvesper

Marco Ambrosini (nyckelharpa)

Eva-Maria Rusche (organ)

2nd June, 7PM (19h)

St. Anna-Kirche Haigerloch (DE)

Theatermusik von Henry Purcell

with Ensemble Musick Room

https://www.haigerloch.de/de/Aktuell/Veranstaltungen?view=publish&item=eventDate&id=1593

8th June, 8PM (20h)

Stadl, Diersbach (AT)

Sphärenklänge

with Ensemble Supersonus

https://www.inntoene.com/inntoene-jazzfestival/programm-2019/supersonus-the-european-resonance-ensemble-deuita-ua/

27th July, 5PM (17h)

Mammern, Schlosskapelle (CH)

Orgelvesper

Giorgiana Pelliccia, soprano

Angela Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

3rd August

Burg Maienfels (DE)

Angela Ambrosini, nyckelharpa

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, tafelklavier

15th-18th August

Cantal et Aveyron (FR)

Festival Hirondelle

with Quatuor Ardeo, Marco Ambrosini, Jean-Louis Matinier

http://www.festivalhirondelle.com/festival/programme

21th September, 8PM (20h)

Stiftskirche Admont (AT)

Admonter Orgelherbst

https://www.stiftadmont.at/veranstaltungen/event/255-9-admonter-orgelherbst

1st October, 8PM (20h)

Stadtpfarrkirche Meersburg (DE)

"Chor und Orgel"
Kantorei der Elisabethkirche Marburg
Eva-Maria Rusche (Orgel)
Leitung: Nils Kuppe

2nd October, 7PM (19h)

St. Stephan, Lindau (DE)

"Chor und Orgel"
Kantorei der Elisabethkirche Marburg
Eva-Maria Rusche (Orgel)
Leitung: Nils Kuppe

4th October, 10AM (10h)

St. Nikolaus, Friedrichshafen (DE)

"Chor und Orgel"
Kantorei der Elisabethkirche Marburg
Eva-Maria Rusche (Orgel)
Leitung: Nils Kuppe

5th October, 5PM (17h)

Lutherkirche Konstanz (DE)

"Chor und Orgel"
Kantorei der Elisabethkirche Marburg
Eva-Maria Rusche (Orgel)
Leitung: Nils Kuppe

11th October, 7PM (19h)

Weltmusikfestival Murnau 2019 (DE)

Through the Keyhole - eine Suite für 132 Tasten

Marco Ambrosini - nyckelharpa
Eva-Maria Rusche - piano

https://www.weltmusikfestival-grenzenlos.de/programm.html

20th October, 6PM (18h)

Elisabethkirche Marburg (DE)

"Chor und Orgel"
Kantorei der Elisabethkirche Marburg
Eva-Maria Rusche (Orgel)
Leitung: Nils Kuppe
https://www.elisabethkirche.de/kantorei/veranstaltungen-termine/

5th November

Wunderkammer, Trieste (IT)

"L'arte dell'invenzione"

with Paola Erdas and Angela and Marco Ambrosini

10th October, 6PM (18h)

Playgroundfestival Weimar (DE)

„Ostinate follie – Wahnwitz der Wiederholung“

with Oni Wytars and The Playfords

https://playgroundfestival.de/konzertinformation/

8th December

Emmauskapelle Hatzfeld (DE)

with Oni Wytars

21th December, 6.30PM (18:30h)

St. Gebhardskirche, Konstanz (DE)

Saint-Saens: Oratorio de Noel

mit: Gebhardschor Konstanz

4th May

Modena (IT)

La Musica delle Sfere
with Ensemble Supersonus

www.teatrocomunalemodena.it

5th May, 5PM (17h)

Mammern Schlosskapelle (CH)

Music of Renaissance and Baroque

Angela Ambrosini, discant nyckelharpa

Marco Ambrosini, contralto nyckelharpa

Eva-Maria Rusche, organ

https://klinik-schloss-mammern.ch/de/aktivitaeten/

12th May

Hatzfeld, Emmauskapelle (DE)

Marco Ambrosini, nyckelharpa

Katharina Dustmann, percussion

Eva-Maria Rusche, Rindt organ

19th May, 5PM (17h)

Konstanz, Lutherkirche (DE)

Laura Jörres, baroque violin

Eva-Maria Rusche, harpsichord

31th May

Castrocaro (IT)

Jule Bauer, voice and nyckelharpa

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, piano

www.musicapopolare.net

9th June

Mammern, Schlosskapelle (CH)

Eva-Maria Rusche, organ

https://klinik-schloss-mammern.ch/de/aktivitaeten/

30th June, 5PM (17h)

Konstanz, Lutherkirche (DE)

Theatre Music by Purcell

with Ensemble Seemitone

Elektra Papasimakis, soprano

Domenico Cerasani, theorbo and baroque guitar

Kentaro Nakata, viola da gamba

Eva-Maria Rusche, harpsichord

6th July

Konstanz, Lutherkirche (DE)

Chornacht

Bachchor Konstanz

Gebhardschor Konstanz

Eva-Maria Rusche, organ and piano

4th August, 11.30PM

Konstanz, St. Gebhard (DE)

Orgelmusik zur Marktzeit

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

https://konzilsorgel.de/veranstaltungen.html

18th August

Polenta

Early Music Master Class Bertinoro

20th August

Vignoni (IT)

Michael Posch, recorders

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche & Maria Lisa Baldassari, harpsichord

http://www.paesaggimusicalitoscani.it/eventi/eventi.html

22th August

Brisighella (IT)

Michael Posch, recorders

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche & Maria Lisa Baldassari, harpsichord

23th August

Forlimpopoli (IT)

La Musica delle Sfere

with Ensemble Supersonus

www.musicapopolare.net

1st September, 5PM

Mammern, Schlosskapelle (CH)

Marco Ambrosini, nyckelharpa

Eva-Maria Rusche, organ

https://klinik-schloss-mammern.ch/de/aktivitaeten/

22th September, 5PM (17h)

Konstanz, Lutherkirche (DE)

Marco Ambrosini, nyckelharpa

Jean-Louis Matinier, accordeon

Eva-Maria Rusche, tafelclavier and piano

20th October

Murnau (DE)

Marco Ambrosini, nyckelharpa
Jean-Louis Matinier, accordeon
Eva-Maria Rusche, tafelclavier and piano

https://www.weltmusikfestival-grenzenlos.de/

2017

1. April, 17 Uhr

Lutherkirche Konstanz

Das kleine Konzert

J.S. Bach, Fauré et.al.

Mechthild Placke, Cello

Eva-Maria Rusche, Klavier

www.bach-chor-konstanz.de

5. May, 21h

Linz, Austria

Festival 4020

Nacht.Perlen

Franziska Fleischanderl (Salterio), Anna-Liisa Eller (Kannel), Eva-Maria Rusche (Tafelclavier) and Marco Ambrosini (Nyckelharpa)

www.festival4020.at

24. June

Le Havre, France

12èmes Prieurales

with Ensemble Supersonus

www.lehavretourisme.com

8. July

Haapsalu, Estonia

Haapsalu Early Music Festival XXIV

with Ensemble Supersonus

www.studiovocale.ee

18. July

Schwäbisch Gmünd, Germany

Festival Europäische Kirchenmusik

Spärenklänge

with Ensemble Supersonus

www.schwaebisch-gmuend.de

19th August, 21.15h

Polenta, Italy

Le Perle musicali del Barocco

Bertinoro Summer Masterclass

2nd September, 20h

Vilasantar, Spain

Espazos sonores

Fantasie, Recercare, Canzoni e Follie del Barocco

with Angela and Marco Ambrosini

http://espazossonoros.org/

24th September, 17h

St. Peter, Zürich, Switzerland

Herbstfestival Forum Alte Musik Zürich

Follia

with Ensemble Oni Wytars

www.altemusik.ch

25th September, 19h

St. Johann, Konstanz Germany

Vernissage "Mein Blick", deutsch-äthiopische Kultur

with Nora Rixius

www.dabo-konstanz.de

21th October, 17h

Lutherkirche Konstanz

22th October, 18h

Gnadenkirche Allensbach

"Ach, die Liebe"

with Allensbacher Vokalensemble and Philipp Heizmann

Eva-Maria Rusche, Piano

http://www.ekikon.de

29th October, 17h

Lutherkirche Konstanz

1st November, 17h

St. Stephan Konstanz

J.S. Bach: h-moll-Messe

with Bach-Chor und Bach-Collegium Konstanz, Claus Gunter Biegert

http://www.bach-chor-konstanz.de

2nd-5th November

Odenwälder Tanz- und Instrumentalkurse

Zwischen Hümmel und Hölle

Ensemblekurs für Melodie- und Harmonieinstrumente

http://www.otik-ev.de

12th November

Emmauskapelle Hatzfeld (Eder)

Lieder und Liedvariation aus Renaissance und Barock

Eva-Maria Rusche, Rindt-Orgel
Jule Bauer, Gesang und Tenor-Schlüsselfidel
Marco Ambrosini, Alt- und Sopranschlüsselfidel
Katharina Dustmann, Perkussion

https://www.facebook.com/events/721399368066373

25th November

Lutherkirche Konstanz

"D'amore e di morte"

Kantaten und Arien des italienischen Barock

Giorgiana Pelliccia - Sopran
Mechthild Placke - Violoncello
Eva-Maria Rusche - Cembalo

http://www.bach-chor-konstanz.de