Complex sentence: They played a mixture of angular compositions and freeform ambient noise jams, featuring surrealist lyrics and non-standard drumming; all the members were said to be completely untrained in music before forming the band.
Split into simpler sentences: They played a mixture of angular compositions and freeform ambient noise music jams, featuring surrealist lyrics and non-standard drumming. All the members were said to be completely untrained in music before forming the band.