Josh Is Making Music explores the Yamaha QY70, demonstrating how to create city pop, 80s synthpop, and retro-style tracks using this classic hardware sequencer. The video walks through the QY70 workflow, including pattern-based sequencing, step recording, live overdub recording, drum programming, and arranging song sections like intro, main, fills, and endings. Viewers get a practical overview of how to build full songs on the Yamaha QY70, showcasing its built-in sounds, MIDI sequencing capabilities, and portable music production features. This is a useful demonstration for anyone interested in vintage grooveboxes, hardware sequencers, or making retro dawless electronic music.