Her are Pinky and Perky, from the BBC children's show of the same name. Not sure what they mean by 'between these and the original sounds.' Perhaps their songs were re-recorded for the album and they're cheekily acknowledging it? (or they're saying that Pinky and Perky are not the original performers of "Yellow Submarine" and such)
Let's take a look at that sticker near the top.
W.H. Smith? Someone must've brought this 'across the pond,' as the kids say. To make sure, I'll consult the assistant.
