They formed in 1970 and released their first single in 1972.
Sweden.
They came from Sweden, Europe.
Sweden
Stockholm, the capital city.
no
Mamma Mia was on the third Abba album called ABBA, released in the fall of 1975,
ABBA is a Swedish group. I come from Sweden!
As a foursome they were a group about 1970-71.
They grew up in different cities.
in September 1975
Abba Abba has 128 pages.
Ring Ring was released in 1972.