Outside of Dave Matthews Band, Rashawn is an accomplished session musician and horn arranger. Ross has amassed a lengthy resume recording, performing, and writing horn arrangements for a wide variety of artists. His list of live credits include:
Beyonce, Stevie Wonder, Snoop Dogg, Lady Gaga, Celine Dion, Ed Sheeran, Pharrell Williams, Usher, Annie Lennox, Alicia Keys, Andra Day, John Mayer, Gary Clark Jr., Arianna Grande, Demi Lovato, Tori Kelly, Little Big Town, Barry Gibb (of The Bee Gees), Panic at The Disco, Kelsea Thomas, DNCE, Nick Jonas, John Legend, The Band Perry, Thomas Rhett, , Bob Weir, PENTATONIX, Jason Derulo, Jennifer Hudson, Andrea Bocelli, Neyo, Tyrese Gibson, Run DMC, Missy Elliot, TLC, The Shadowboxers, Branford Marsalis, Kirk Whalum, Robert Randolph and the Family Band, Lee Rittenour, Amos Lee, Jonathan Butler, Chrisette Michele, Josh Groban, Robin Thicke, Booker T. Jones, Danny Barnes, Rick Ross, Chris Cornell, J-Live, TalibKwelli, Chaka Khan, DJ Quik, Soulive, Lettuce, Beatnuts, Ron Blake, Ninja Sex Party, Lawrence, Mark Ballas, and many more.