vocal-only
adjectiveUK /ˈvəʊ.kəl ˈəʊn.li/
US /ˈvoʊ.kəl ˈoʊn.li/
Using only the voice, with no music or other sounds.
The choir gave a vocal-only performance without any instruments.
OTHER MEANINGS
2. A recording or track that contains only singing and no instruments.
The album includes a vocal-only version of the song.
3. A meeting or event where people speak but do not use text or video.
We joined a vocal-only call to save bandwidth.
4. Music made just by people singing together.
The group practiced vocal-only harmonies in the hall.