Crossword Clue:

VIBROGRAPH an instrument for recording vibrations

AnswerCrossword Clue
PIANOInstrument for an etude
LYREInstrument for an angel
HARPInstrument for an angel
ARPAInstrument for an angelo?
FIREMANSAXInstrument for an emergency responder?
TRAPAn instrument for snaring game.
LYRAConstellation named for an instrument
SOUSAComposer with an instrument named for him
OOSCOPEInstrument for viewing interior of an egg.
RANGEFINDERInstrument for determining the distance of an object
OBOEInstrument used to set the pitch for an orchestra
SNAREDrum that would be an apt instrument for trap music?
NEROEmperor famous for playing an instrument that hadn't been invented yet