What Is the Difference Between Low A and Low Bb Baritone Saxophones? While the difference between low A and low Bb Baritone Saxophones may seem like a single note, it represents a broader fork in musical direction. Low A instruments expand the baritone’s role in modern ensemble music, offering a deeper register, a richer foundation, and compatibility with contemporary repertoire. Low Bb instruments preserve the classic baritone sound—lively, incisive, and deeply rooted in jazz tradition. #BaritoneSaxophones www.musicalinstrumenthub.com/soprano-saxophone