Conversation so far:
What was the band doing in 1975?
In 1975, Knight linked up with former drummer Alan Whitehead to form 'Vintage Marmalade' with Sandy Newman (vocals, guitar, keyboards) and Charlie Smith (guitar).
Did any of the band members receive formal education?
CANNOTANSWER.

Question: What happened in the year 1978?
Self-contained rewrite: What happened in the year 1978 with the band Marmalade?