instr Trainer or professor, for short Score abbr Piano, e.g.: Abbr Orch. component Like some landings: Abbr Univ. faculty member Orch. piece Driving sch. employee Violin or cello: Abbr. Music producer: Abbr. Brass or woodwind: Abbr. Wordless song: Abbr. Orch. member Score abbr. Tchr.