Da Da Da -- I Don't Love You - You Don't Love Me -- Aha Aha Aha (usually shortened to "Da Da Da") is a song by the German band Trio.
The lyrics were written by Remmler, the music by Krawinkel.
Trio was formed in 1980 by Stephan Remmler, Gert "Kralle" Krawinkel and Peter Behrens.
The song was released as a single in 1982 and featured on their 1981 self-titled debut album, "Da Da Da".
It became a hit in Germany and in about 30 other countries, selling 13 million copies worldwide and represented the beginning of the minimalistic music genre, called "Neue Deutsche Welle".
"Da Da Da" remains the band's biggest German hit and their only sucessful song outside Germany.
Story Sources:
https://en.m.wikipedia.org/wiki/Trio_(band)
https://en.m.wikipedia.org/wiki/Da_Da_Da
Trio - Da Da Da (1981)