Blue for a Moment retraces the artistic career of the Berlin-based Swedish jazz musician, avant-garde composer, poet and visual artist Sven-Åke Johansson, one of the most singular and exciting figures in European improvised music. 　　Johansson (born 1943 in Mariestad) moved to Berlin in the late 1960s, where he has since been active in a variety of music and artistic contexts. His...