These are recordings of professional musicians playing various instruments in different styles. The software allows users to select a song, choose a style, and generate a professional-sounding backing track. RealTracks are a significant part of what makes Band-in-a-Box popular, offering a vast library of authentic instrument performances.

The 2025 release adds (Sets 449-467) featuring top studio musicians:

Band in a Box is a groundbreaking software developed by PG Music, designed to provide musicians with an intuitive and user-friendly platform to create, practice, and record music. The software allows users to generate professional-sounding backing tracks in various styles, from jazz and rock to pop and country. With a vast library of instruments, rhythms, and melodies, Band in a Box empowers musicians to focus on their creative expression, without the need for a live band.