Who sang aeiou?

Answer 1

The song is Ai Du by Ali Farka Toure & Ry Cooder.

In 1983, the group Freeeze had a dance song that repeated the five vowels over and over. It was called I.O.U.

There's also EBN-OZN's "AEIOU" as well. Released in 1983, the song's main refrain is "AEIOU some times Y".

Answer 2

AEIOU' is a song released by Charlotte Sometimes in 2008. It is from the album 'Waves and the Both of Us.'