The dual alto saxophones of Martin Kuchen and Seymour Wright meet guitarist Keith Rowe for an impressive journey of free improvisation with Rowe taking the lead.

Perhaps the most iconic and "classic" of AMM albums, recorded at The Crypt in London in 1968 with AMM as the quartet of Cornelius Cardew on piano & cello, Lou Gare on saxophone and violin, Christopher Hobbs on percussion, Eddie Prevost on percussion, and Keith Rowe on guitar & electronics.