global A1, A2, B1, B2, C1, C2

set A1 to some item of {“You’re listening to”, “What you hear playing is”, “Behind me you hear”}
set A2 to some item of {“by”, “lovingly performed by”, “laid to wax by”}

set B1 to some item of {“Before that, we heard”, “That was preceded by”, “Leading into that we heard”}
set B2 to some item of {“from”, “played by”, “recorded by”}

set C1 to some item of {“And starting off the set was”, “Three tracks ago, we heard”, “led off by”}
set C2 to some item of {“shouted into a wire recorder by”, “atrociously covered by”, “downsampled to mp3 from the original analog sixteen track by”}