what's the music played during seizon senryaku in Mawaru Penguindrum Episode 16? I'm pretty sure it refers to something, but i can't find or remember
I've managed to track the song down - it's track 6 on the 1st OST disc, called "sekushii ga kita!" (roughly "Sexy Has Come!", or "Here's sexy!"). As far as I can tell, it is only attributed to Yukari Hashimoto, the composer for the series soundtrack, and as such it doesn't seem to be a cover or direct reference like many of the insert songs in the show.
I can't find a preview of the song that I'm confident isn't a copyright violation, but it shouldn't be hard to find it by yourself.