“Heels”

Utterance that's usually made in pairs

Who said "I play the notes as they are written, but it is God who makes the music"

"Wow, that's … amazing!"

Attack words that might be spoken as a compliment

Classic stop on the vaudeville circuit

Ones who should prepare for their day of reckoning?

How criticism of a pastry chef might be delivered?

Word after something, anything or nothing

A pie to the face, slipping on a banana peel, etc.