[2] Shirakbari has worked with Aretha Franklin, Adele, Sheryl Crow, Elton John, Stevie Wonder, Sting, Elvis Costello, Wynonna Judd, Duffy, Ronald Isley, Peabo Bryson, Chris Botti, and Whitney Houston among other successful recording artists.

Shirakbari began working with recording artist (and now wife) Rumer (musician), as her co-writer, producer, pianist, keyboardist, and arranger in 2013.

The two met briefly at a World Hunger Day gala at the Royal Albert Hall in London hosted by Dionne Warwick in 2012, where Shirakbari was music director and Rumer and Warwick sang a duet of Bacharach & David's, “Hasbrook Heights.” Rumer later moved to Los Angeles in 2013, following the release of her album, Boy’s Don’t Cry, where the two began working together.

He has worked with LeAnn Rimes, Mikaila, Kristy Lee Cook, Kate & Kacey, and many others at early stages in their music careers.

He wrote the arrangements and conducted the pit orchestra for the four-hour awards show and played keyboards in the on-camera band that featured Oscar-winning songs performed by Faith Hill, Ray Charles, Garth Brooks, Queen Latifah, Dionne Warwick and Isaac Hayes.

[17][18] Shirakbari has taught and mentored at various industry events speaking on topics covering songwriting, arranging, and music production.

He has taught master classes and workshops at Otis Redding Foundation Music Camp (Macon, Georgia), Bimm Music Institute (Dublin, Ireland), Henry Mancini Institute (Los Angeles, California), and various elementary, Jr. high and high schools.