Mullardman
Moderately extreme...
Abba were a brilliant singles band, pure and simple. The Beatles changed the face of pop music, developed it incredibly as an art form and are the most important band that will ever be.
Absolutely... and they wrote more near perfect pop songs than ABBA...
https://en.wikipedia.org/wiki/Category:Songs_written_by_Lennon–McCartney
I rest my case