Rosse started playing piano at age 8, eventually studying orchestration and arranging with Joe Rotundi, Sr. His style is influenced by soul, rock, art pop, and classical music.
After playing in numerous bands as a keyboard player and singer, he expanded on his career by scoring TV and commercials; he then produced Tori Amos' albums Little Earthquakes[1] and Under the Pink.
Since then, he has been instrumental in projects as diverse as Sara Bareilles' album Little Voice,[2] Maroon 5, Birdy, Gavin DeGraw, Andra Day, Mary Lambert,[3][4] and Benny Cassette.
Rosse was hired there to play electric piano on various R&B recordings and continued gigging with various bands and musicians around Los Angeles until 1989, when he co-founded EMBR Music with his brother, Michael Carey.
They operated for five years under the name EMBR, producing music spots for well-known media entities such as Coca-Cola, TDK, Anacin, Sega, Asics, NY AIDS Awareness, NBC, and CBS.