Alex introduces the electric guitar, including pickups, tone knobs, toggle switches, different guitar styles, effects pedals, amplifiers, and bass guitar.

Alex introduces the trumpet, cornet, flugelhorn, mouthpiece buzzing, valves, mutes, and how different trumpet sounds can create different moods.

Alex and Sonny introduce the accordion, including piano-style keys, bass buttons, bellows, air, sound, and a short accordion performance.