Accel

9 clues
'Speed up,' in mus.
Faster, in music: Abbr.
Music sheet abbreviation
Speed up, in music (Abbr.)
'Get faster,' on mus. scores
Picking up in tempo, in mus.
Gradually quickening, in mus.
Pick up the tempo" marking: Abbr.
Play at a faster tempo, on sheet music: Abbr.