She wrote and performed music for Broadway shows, radio programs, children's plays, and piano rolls.

[1] As a young woman, Pollock played the organ in silent movie theatres,[2] and worked at her father's news stand.

[3] Another 1914 work, "Carnival", was written for a fundraising event for the Sanitarium for Hebrew Children in Rockaway Park.

After her second marriage, she wrote music for children's shows using the pseudonym Molly Donaldson,[14] based on fairy tales or historical figures' lives, but her family's move to California took her away from the hub of radio work.

[1] Remastered recordings by Pollock are available in updated formats, including a 1998 CD, titled Keyboards of the Gershwin Era, Volume VI.