The Italian musical command accelerando (often abbreviated accel.) is an indication to gradually increase the tempo of a song until otherwise noted: The duration of an accelerando is marked by a dashed, horizontal line.

What's the opposite of accelerando?

Ritardando (or rit.) is an indication to gradually decrease the tempo of the music (opposite of accelerando).

What is accelerando in choir?

DEFINITIONS. • accelerando: gradually becoming faster. • allegro: quick tempo, cheerful. • andante: moderate tempo.