A person playing alto saxophone or some other alto instrument.(noun)
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Use "altoist" in a sentence
"When bebop emerged, Evans blended its busy lines and advanced progressions with Thornhill's meditative approach, writing engaging arrangements of bop standards such as altoist Charlie Parker's "Anthropology" and "Yardbird Suite.""
"He's cherry-picked some very good ones, played by combos drawn from a pool of seven players, including altoist John O'Gallagher and bassist Johannes Weidenmueller."
"This time, Barnes chooses favourites associated with the late Duke Ellington altoist Johnny Hodges, a teenage inspiration."