With dozens of movie scores and over 500 recording credits to his name across Jazz, R&B, and Opera, Marcus’ resume speaks for itself, and as a UNESCO Artist for Peace and changemaker, his work on social justice projects continues to be inspiring.

In 2020, Marcus created, musically produced, and posted the Life Every Voice get out the vote event, which brought together political leaders and musical legends to encourage political participation. Additionally, he contributed to UNESCO’s United Against Racism video alongside countless industry legends, and was commissioned by Prince Albert of Monaco to create the orchestral arrangement for in Donny Hathaway’s “Someday We’ll All Be Free video, which he also appeared in.