vocalline
nounUK /ˈvəʊkəlʌɪn/
US /ˈvoʊkəlˌlaɪn/
A vocalline is a special line you can sing along with.
The singer followed the vocalline on the screen while recording the song.
OTHER MEANINGS
2. A telephone service that plays recorded singing or spoken messages.
Call the vocalline to hear today's weather song.
3. A written line of music meant to be sung rather than played.
The composer wrote a gentle vocalline above the piano notes.
4. A highlighted path in a karaoke app that shows when to sing each word.
The vocalline turned green as she sang the chorus.