In 1969, the band teamed up with blues singer Carol Grimes and bassist Roy Babbington replaced Monck.
[1] A final Delivery performance took place in November 1972 for the BBC's Radio One In Concert series, with an unusual line-up bringing together the Miller brothers, Pyle, Babbington, Coxhill, and Sinclair (who provided only vocals).
Steve Miller went on to release two shared (rather than "duo") albums with Coxhill for Virgin's Caroline budget label in 1973/74.
Roy Babbington, who had played with the Keith Tippett Group and Nucleus in 1971-73, went on to join Soft Machine from 1973-76.
[1] Laurie Allan rejoined Gong a couple of times, most notably appearing on 1973's Flying Teapot, and later Barbara Thompson's Paraphernalia.