Crossword Puzzle Out of work piano repairman?

Clue: Out of work piano repairman?

Classic Schumann piano work (ARABESQUE with 9 letters)
When many office workers return to work (ATONE with 5 letters)
Brief outline of life and work (BIO with 3 letters)
Where office clerks work (DESKS with 5 letters)
Oil rig worker, __, __, auto body repairman (DRILLSERGEANTDENTIST with 20 letters)
Work for piano and violin (DUET with 4 letters)
Four-hand piano work (DUET with 4 letters)
Repairman's offering (ESTIMATE with 8 letters)
Virtuosic piano work (ETUDE with 5 letters)
Do office work (e.g. FILE with 4 letters)