Conversation so far:
When did Van Morrison join Bang records?
Bert Berns persuaded Van Morrison to record solo for his new label, Bang Records. Morrison signed a contract. During a recording session starting 28 March 1967, eight songs were recorded.
Did Van Morrison make an album with Bang Records?
These songs were released as the album Blowin' Your Mind! without Van Morrison being consulted.

Question: when was it released
Self-contained rewrite: When was Blowin' Your Mind! by Van Morrison released?