Solothurn Orchestra
President: Marie-Louise Kissling,
Rötiquai 20, 4500 Solothurn,
stadtorchester-solothurn.ch
Frag-Art Chamber Orchestra
Frag-Art, Postfach 1320, 4502 Solothurn,
Fax 032 681 00 03, fragart.ch
Solothurner Chamber Orchestra
President: Ueli Lips,
Rigistrasse 56, 8006 Zürich,
Phone: 044 361 33 15 
St. Ursen Cathedral Boys Choir
Philippe Guggisberg,
Wyttenbachstr. 30, 3013 Bern,
Phone: 076 582 22 58, singknaben.ch
Solothurn Concert Choir
President: Ellen Roelofsen,
Blumensteinweg 3, 4500 Solothurn,
Phone: 032 622 69 14, konzertchor-solothurn.ch
Kantorei der Stadtkirche Solothurn
Markus Cslovjecsek
Grüngli 45, 4523 Niederwil
info@kantorei-so.ch, kantorei-so.ch
Accordian Orchestra
President: Heinz Fahrni,
Eichackerweg 4, 2545 Selzach,
Phone: 032 681 07 19, hosolothurn.ch