Misc: name the only war to end on the same day that the us draft ended?

Questions

Johnny B. Goode hails from this state?

Jon Anderson collaborator & Chariots of Fire composer?

Jonathan Demme directed a movie of this band in concert?

Joni Mitchells hit from 'Ladies Of The Canyon' album says what came & took away her old man?

Aerosmith album which includes the songs F.I.N.E. and What It Takes.?