Though she usually describes herself as a jazz singer, Mascha has a broad vocal and stylistic range. Her repertoire spans a spectrum from jazz, standards, swing, and showtunes to the great choral masterworks.

Mascha performs regularly around the San Francisco Bay Area with her combo, the Conspirators, as well as with Reveille and the Swingin’ Tails. She has appeared as a soloist with a variety of big bands, wind ensembles, and choral groups.  She has traveled the world as a solo vocalist, singing standards everywhere from Carnegie Hall, to Burning Man, to China’s Great Wall, to Walt Disney Concert Hall.