[Timesink]

Oh, like old 45s. I get it. (Though I never did figure out what it stood for, even then. Everyone kept giving me different answers.)

[Atchafalaya]

Me too, I tried flipping my CD's over but they don't play.
Best 45 ever: In The Still Of The Night. I have goose bumps. I'm see i mmovvveeeeal;j
ljk
oooohhhhh
respect inhdf97 ooohhh ning
What, nothing to see here , carry on!
What great days.

[Hank Rearden]

I think it meant "backed with . . . ", referring to the back (flip) side.