Answer: septets

AnswerCrossword Clue
SEPTETS

Seven voices

SEPTETS

Trio-quartet combos

SEPTETS

Deadly sins and hills of Rome, e.g.

SEPTETS
Literary gables and others
SEPTETS
Some Dixieland bands
SEPTETSLucky groups?
SEPTETSDisney's and ours
SEPTETSThe Seas and the Dwarfs
SEPTETSMany Dixieland bands
SEPTETSThe Pleiades, et al.
SEPTETSGroups of seas and sins
SEPTETSGroups of seven
SEPTETSGroups of seven.
SEPTETSMusical groups.
SEPTETSPoems.
SEPTETSSinging groups
SEPTETSMo. for groups of seven?
SEPTETSRhyme royals
SEPTETSBeethoven's Opus 20 and others
SEPTETSDisney's dwarfs and others
SEPTETSGroups like Disney's dwarfs
SEPTETSSeven-player pieces
SEPTETSThe seas and the dwarfs, e.g.
SEPTETSSome chamber pieces
SEPTETSTrio--quartet combos