Ask Billboard: Instrumentals, Part 2 Readers add to last week's list of hit instrumental songs from the '60s through the '90s, including one by U2's Adam Clayton and Larry Mullen, Jr.

The songs on Quilt's third album, Plaza, were stitched together from old voice memos and lyrics written at various times throughout the Boston band's seven-year lifespan. The result, however ...

RETRO CHART 1972: Lieutenant Pigeon’s instrumental number one hit is 50 years old "Mouldy Old Dough", number one in the UK and Ireland in October 1972.