This document discusses different types of musical instruments. It begins by defining a musical instrument as a device constructed to make music. The oldest known instrument is the flute, dating back 35,000 years. Musical instruments are then categorized into strings, percussion, wind, and brass families. Examples like the guitar, piano, violin, harp, chimes, xylophone, flute, piccolo, oboe, saxophone, tuba, trombone and trumpet are described along with how their sounds are produced.