That's It is an accessible original utilizing a variety of rhythmic figures commonly used in good swing charts. The features include a nice stop-time section, interesting chord progressions throughout, and a tuneful melody. Additionally, it's playable by as few as 9 players and expandable to full big band instrumentation of 17 players or more. The brass ranges are modest, its loaded with great learning material, and is simply fun to play. The solo section features written or improvised solos for any player using the solo sheets provided. The optional extra parts include flute, clarinet, French horn, Tuba, and vibes. Teach it, rehearse it, perform it, and enjoy!