The song was released in 1975 but was written before that, around 1974.
All of the songs in "Mamma Mia" were created by ABBA. It was ABBA's greatest hits that created the inspiration for the "Mamma Mia" story.
"Mamma Mia" was based on ABBA's biggest hit songs and were combined to create a story. So the theme for Mamma Mia would be the ABBA songs.
Mamma Mia was on the third Abba album called ABBA, released in the fall of 1975,
abba
ABBA
All of the songs in "Mamma Mia" were created by ABBA. It was ABBA's greatest hits that created the inspiration for the "Mamma Mia" story.
"Mamma Mia" was based on ABBA's biggest hit songs and were combined to create a story. So the theme for Mamma Mia would be the ABBA songs.
Mamma Mia was on the third Abba album called ABBA, released in the fall of 1975,
ABBA
abba
The song Mamma Mia was included on the album titled Abba, released in April, 1975. That means it was written shortly before that, either late 1974 or early 1975.
Abba!
March 1975
abba fans?
My vote is for Mamma Mia.
March 1975
ABBA.