Before the "Colors of time" concert, the jazz musicians fine-tune their performance in a last rehearsal and soundcheck. Thierry Lang (piano, composer), David Linx (vocals, and author of the lyrics), Heiri Känzig double (bass), Matthieu Michel (tp) and André Ceccarelli (drums) "Colors of time" is available on the cd Colors of time. Théâtre Equilibre, Fribourg (CH), May 11, 2012. Photo : Robert Naescher.