noun a style of singing without instrumental accompaniment
adverb sung without instrumental accompaniment
A cappella music is vocal music performed without instrumental accompaniment.
Many choirs perform a cappella pieces, showcasing their vocal harmonies and abilities.
Vocal groups such as barbershop quartets often perform a cappella music.
There are competitions specifically for a cappella groups to showcase their talents.
A cappella performances are often featured in movies and TV shows, such as Pitch Perfect.
A cappella music may be mentioned in a writer's article or book about music history or vocal techniques.
A psychologist might use a cappella singing as a therapeutic tool for clients with anxiety or stress.
A musician may perform a cappella music as part of a vocal ensemble or solo act.
A choir director may arrange a cappella pieces for their choir to perform without instrumental accompaniment.
A music producer may work with a cappella groups to record and produce their music for commercial release.