John Gustafson, English singer-songwriter and bass player (d. 2014)
John Frederick "Johnny" Gustafson (8 August 1942 – 12 September 2014) was an English bass guitar player and singer, who had a lengthy recording and live performance career. During his career, he was a member of the bands The Big Three, Ian Gillan Band, Roxy Music and his own group, Quatermass, among others.