Review SheetMusic 1300Families of Instruments. The Four families of Instruments1. Strings2. Brass 3. Woodwinds4 PercussionPercussion:Snare Drums, tympani, bass drum, tom tom, bongos, conga, gong, cymbals, triangle, xylophone, maracas.All instruments are hit, shaken or scraped. Keyboards: Keys are hit which strike a string to produce the sound. Strings:Violin, viola, cello, bass: played with a bow to vibrate the string.