Rose Doylemason is a freelance trombonist hailing from the San Francisco Bay Area and residing in Los Angeles. A versatile musician and a lover of all music styles, Rose specializes in orchestral and solo bass trombone performance, preferring eclectic and under-performed solo literature. She enjoys teaching marching bands and wind bands, and provides brass lessons to students of all ages across Los Angeles. Having cultivated a love of musicology and music history in school, Rose assists several orchestras in writing program notes and proofing promotional literature. Rose performs with a variety of groups across California, including the San Luis Obispo Symphony, San Luis Obispo Wind Orchestra, OperaSLO Grand Orchestra, Santa Maria Philharmonic, the Santa Monica Symphony, Lompoc Pops Orchestra, Los Angeles Doctor's Symphony Orchestra, and Burbank Chamber Orchestra, and across the country, with the Bozeman Symphony Orchestra. Rose was a featured soloist at the 2018 Roy Main Brass Festival and participates often in international brass festivals and competitions.

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During the Pandemic, Rose trained in COVID Compliance and operated as the sole COVID Monitor for the Los Angeles Philharmonic, overseeing safety at all of the organization's landmark sites including the Walt Disney Concert Hall and the Hollywood Bowl. Rose continues to offer COVID Compliance and testing services to touring orchestras around the country, as well as for AFM Local 47 in Los Angeles.

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Rose earned her Bachelor of Arts in Music degree from Cal Poly San Luis Obispo where she was a member of the Mustang Marching Band, the band service fraternity Kappa Kappa Psi, and Cal Poly's NCAA Division I Track and Field team. She earned her Masters Degree in Performance from UCLA and studied with James Miller. Rose is a certified Master Barista, a Level 1 Cicerone (a beer sommelier), and an avid Olympic weightlifter; she enjoys good beer and good memes, and loves her orange tabby, Cat King Cole.