[1] The younger Gage started his musical career as vocalist and harmonica player in a London band "The Sloane Squares", led by Gwyn Headley, in the mid-1960s.
The Sloane Squares were well known for their tight music and live shows, and were supporting Jimi Hendrix when they were spotted by Jet Harris, the former Shadows bass player, who asked them to become his backing band.
Gage left Jet Harris in 1968 but continued performing with numerous bands, including London based soul-blues-band The Blazers.
He also spent 12 years from 2000 as the vocalist/frontman for the Mike Hoddinott Blues All-Stars In 2010, Gage made an album, Tough Talk (GRCD 6165), recorded and released in Finland.
In May 2013 Gage played the Dagenham Roundhouse as part of the Big Blues Jam and reappeared there in September 2013 with the re-united Pink Torpedoes.