
As ABBA completed the ‘Super Trouper’ LP, they lacked a song called ‘Super Trouper.’ But on November 29, 1980, it became their final UK No.1.
Source

As ABBA completed the ‘Super Trouper’ LP, they lacked a song called ‘Super Trouper.’ But on November 29, 1980, it became their final UK No.1.
Source