We got through "X"! Good job, all!
"Y" isn't going to be quite as bad, but it's still pretty barren. Which is why I'm limiting myself to one semi-obscure entry and leaving the obvious ones for others. Have fun!
Y is for Yello
I knew about these Swiss electro-weirdos in the 70s, but only because I got the Rhino Records back catalog in the mail. This song became a surprise hit for them, partially because it was featured in the soundtrack of every other frickin' movie of the decade. (Well, two, anyway — bonus points if you can recall the other one.)
Y, Kalaeth, Y?
(Actually, this track's pretty good, I'm just being silly.)
Y- As I had explained way back, Y was not even in the alphabet back in the 80's 90's. So... The youngest portuguse Y band is Yellow W Van, from 99. This is from their first CD (in 2002), Mundo Perfeito, aka Perfect World: Funkfumaça somethin like "smoked funk" :
One more and done!