 By the late 1930s, Holiday had toured with Count Basie and Artie Shaw, scored a string of radio and retail hits with Teddy Wilson, and became an established artist in the recording industry.Her songs "What a Little Moonlight Can Do" and "Easy Living" were imitated by singers across America and were quickly becoming jazz standards.In 1938, Holiday's single "I'm Gonna Lock My Heart" ranked sixth as the most-played song in September of that year.