It means without accompaniment (instruments). In other words all vocals, no other music.
I believe you're referring to "a capella" which means without accompaniment.
Outdoor catering means any service provided or to be provided to any person, by an outdoor caterer.
singing without instrumental accompaniment.
The Italian language phrase "a cappella" means singing without musical accompaniment.
"a cappella," which specifically means singing without instrumental accompaniment.
A cappella means to sing without any instrumental accompaniment.
accompaniment to boutiques
Usually it means tax and/or tip.
Accompaniment is music additional to the main sound.
traditional accompaniment for steak
tobasco sauce is a accompaniment