"PIGBAG "is one "BLODWYN PIG" is another.
Bono
No
His group was "The Sons of the Pioneers"
u2
maroon five
Choir
SENT
The noun phrase 'my favorite singing group' is a common noun.A proper noun is the name of a specific person, place, or thing. A proper noun for the common noun 'singing group' is the name of a singing group, for example, The Rolling Stones, The Beatles, or the Mormon Tabernacle Choir.
What movie? Dreamgirls? If so Dreamgirls was inspired by real live group, The Supremes, who were a black girl singing group.
Black Sabbath
The Pips
Showme4