B. Mayers, an American jazz arranger active primarily from the 1940s through the 1960s, was a significant force in shaping the sound of big band and orchestral jazz. Known for his sophisticated harmonic language and innovative voicings, Mayers crafted arrangements that blended traditional swing with nascent bebop sensibilities. His work with prominent bandleaders like Stan Kenton and Woody Herman showcased his ability to create lush, complex textures while maintaining a powerful rhythmic drive. Mayers's contributions elevated the role of the arranger, pushing the boundaries of jazz ensemble writing and influencing subsequent generations of composers.