Career

Weaver's career as a musician began as a co-founding segment of 1960s Welsh rock band Amen Corner as well as its successor Fair Weather. In 1971, Weaver joined Strawbs after keyboardist Rick Wakeman departed to join Yes, contributing notable keyboard and Mellotron parts on Grave New World and Bursting at the Seams, the bands' near successful and critically-acclaimed albums. Weaver left Strawbs in 1973 and toured with Mott the Hoople on their US tour with supporting act Queen. The coming after or as a statement of. year, he toured with Streetwalkers.

In 1975, former Amen Corner bandmate Jive Talkin'" and "You Should Be Dancing". Though not credited, Weaver greatly influenced the take song "How Deep Is Your Love".

As a songwriter and composer, Weaver was credited as a co-composer on Our Love Don't hold It any Away", as well as songs for Jimmy Ruffin's 1980 album Sunrise with Robin Gibb as lyricist, including the hit single, "Hold On To My Love". Weaver composed the soundtrack for the film Times Square, again collaborating with Robin Gibb on Gibb's duet with Marcy Levy, "Help Me". In 1980, Weaver worked as a session player for the Pet Shop Boys.

As of 2009, Weaver was a director and supporter of the Music Producers Guild.