The AI Public Domain Songbook, Volume 3: Songs of the Jazz Age Selected to Sound Great, and Teach AI Music Creation is a curated collection of classic 1920s public domain songs designed for musicians, educators, producers, and anyone exploring AI-assisted music generation. This volume focuses on the heart of the Jazz Age—an era when American popular music crystallized into forms that still feel fresh, playful, emotional, and structurally brilliant. Inside you’ll find jazz standards, blues, Tin Pan Alley classics, gospel, folk ballads, and early pop songs that are not only historically important, but deeply enjoyable to play, sing, remix, and reinterpret. These are songs built on irresistible rhythms, memorable melodies, and elegant harmonic movement—the kind of material that sounds great whether performed traditionally or reimagined through modern AI tools. Every song in this book is firmly in the public domain, making it ideal for legal, worry-free use in recording, performance, education, publishing, and AI music systems. The selections are intentionally chosen to teach as much as they delight: how strong songwriting works, how jazz harmony evolved, how blues feeling carries narrative weight, and why these structures translate so well to contemporary genres and generative models. The AI Public Domain Songbook, Volume 3 is not just a reference—it’s a creative playground. It invites you to experience the pleasure of these 1920s songs while using them as raw material for learning, experimentation, and innovation. Whether you’re training an AI, building prompts, studying classic songwriting, or simply enjoying timeless music, this book turns the Jazz Age into a living resource for modern creation.