Handheld Brass Instrument With Three Keys

Puzzle 2 of Pop Bands Pack

Question is: Handheld Brass Instrument With Three Keys

and the answer is: TRUMPET

Word Meaning:

TRUMPET — (music) A musical instrument of the brass family, generally tuned to the key of B-flat; by extension, any type of lip-vibrated aerophone, most often valveless and not chromatic.

Definition source: Wiktionary (CC BY-SA 4.0)