ABBA recorded their 1975 hit 'Mamma Mia' on March 12, 1975, after initially thinking about giving it away to another band.

Here we go again: Tickets for Loveland High School’s latest musical, “Mamma Mia!,” are on sale now.

But the Swedish super group ABBA didn’t write “Mamma Mia!” thinking about this eventual ... quartet who got their start when their song “Waterloo” won the 1974 Eurovision Song Contest.