Jürgen von der Lippe:
"The best choir I ever had the privilege of accompanying."

 
Arno Pfunder, drummer:
"This choir can sing underwater."

 
Gregor Gysi:
"Great singing, great music."

 
Faye Robinson, „Bess“ von Porgy:
"What a fantastic, inspiring group you are. I‘ve not heard a better trained group."

 
Erwin Teufel, Minister President of Baden-Württemberg:
"You have just won over a slew of fans with your repertoire."

 
Thierry Lalo, Voice Messengers:
"I was impressed by your energy, unity and musicality. I loved Bertrand‘s attitude and it gave me a lot of pleasure. Waouh!"

 
Egidius Braun, President of the German Football Association
"The Jazzchor Freiburg amazed me and blew me away! … That must be the sound of the SC Freiburg"

 
Gary Schneider, conductor:
"Lieber Jazzchor! It was great to work with you. I thank you from the bottom of my heart. I couldn´t have asked for a better choir. I love you all!"

Frank Elbe, German Ambassador in Tokyo:
"The swing and energy that this choir has really impressed the German and Japanese audience. We will remember the artistic quality of this professional performance for a long time."

 
Alexej Batashev, Russian "Jazz Guru":
"Overwhelming technique, smashing success and irresistible charm!"

 
Monika Hollacher, Goethe Institute Moscow:
"The choir took the audience on a fascinating little trip through jazz history up to the present."

 
Jens Johansen, Vocal Line:
"Dear Jazz Choir Free Burgers! I will never forget the perfect organisation of the concert and the warm atmosphere at the Jazzhaus. Thanks from the bottom of my heart. Keep swingin‘ and groovin‘!! We will meet again!"

 
Prof. Anton Sutor:
"That was great. Your joy was contagious - a doctor would say: infectious. You helped the congress immensely. … Healing speaks for itself, whether it's placing of hands or penicillin or music. The latter has the fewest side effects."

 
Gudrun Heute-Bluhm, Mayor of Lörrach:
"An excellent representation of Freiburg and its cultural features!"

 
International Zelt-Musik-Festival Freiburg:
"… Bertrand Gröger's choir always works at the highest musical and organizational level. … We would recommend the Jazzchor Freiburg to any event organizer."

 
Otto Schilly, describing the Jazzchor Freiburg to the Minister from Trotha:
"… excellent ambassadors of culture - I am not only impressed by the choir's high level of artistic quality, but also by their exemplary commitment."