William delves delightedly into two new sets that showcase old, unreleased and demo tracks:
Elvis Costello's Unfaithful Music & Soundtrack Album
Bob Dylan's The Best of The Cutting Edge 1965-1966, The Bootleg Series Vol. 12
He ends with a tribute to songwriter Merle Haggard, who died on 6 April.
Merle Haggard in 1971 Photo: Public Domain
