She did not study music formally except for some lessons on breath control from Portia White.
[1] During the early 1950s, she performed in Toronto with groups led by American pianists Calvin Jackson and Joey Masters.
She also sang with big bands led by Ron Collier, Ferde Mowry and Benny Louis and appeared on variety shows on CBC television.
Moss also performed with the Count Basie Orchestra, Rob McConnell and the Boss Brass, Phil Nimmons, Moe Koffman and the Bernie Senensky Trio.
[1] Her students included Roseanna Vitro, Judi Silvano and Jane Blackstone.