Can
Much of Can's music was based on free improvisation and then edited for the studio albums. For example, when preparing a soundtrack, only Irmin Schmidt would view the film and then give the rest of the band a general description of the scenes they would be scoring. This assisted in the improvised soundtrack being successful both inside and outside the film's context.
Can's live shows often melded spontaneous improvisation of this kind with songs appearing on their albums. The track "Colchester Finale", appearing on the Can Live album, incorporates portions of "Halleluhwah" into a composition lasting over half an hour. Early concerts found Mooney and Suzuki often able to shock audiences. The actor David Niven was asked by Czukay what he had thought of a concert, Niven replied:
"It was great, but I didn't know it was music."
After the departure of Suzuki, the music grew in intensity without a vocal centre. The band maintained their ability to collectively improvise with or without central themes for hours at a time (their longest performance, in Berlin, lasted over six hours), resulting in a large archive of performances.
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