 Paul's technique enabled him to listen to the tracks he had already taped and record new parts in time alongside them.In 1963, solo jazz pianist, Bill Evans, recorded Conversations with Myself, an innovative solo album using the unconventional (in jazz solo recordings) technique of overdubbing over himself, in effect creating a two-piano duet of jazz improvisations.Despite Ampex having created the first 8-track tape machines for Les Paul and Atlantic Records, multitrack recording was taken up in a more limited way in the industry via 3-track recorders.