supergroup
US /ˈsuː.pɚ.ɡruːp/
UK /ˈsuː.pɚ.ɡruːp/
1.
a music group whose members are all famous from having been in other groups or having had successful solo careers
:
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Cream was one of the first rock supergroups.
•
The new band is being hailed as a folk supergroup.