Misc: What did the three bears leave to cool when they went for a walk?

Questions

Though they had 9 #1s in the UK, Abba's only #1 was this?

"I never had the least notion that I could fall with so much devotion..."?

"Shake your thang, like a boomerang..."?

"Without your love, it's a honky tonk parade..."?

"You might not know it, but buddy I'm a kind of poet..."?