Dwayne Abernathy, Jr. (known by his stage name Dem Jointz) is an American musician and music producer. He has produced tracks for numerous artists including Brandy, Jordin Sparks, Rihanna, and Christina Aguilera.He also co-produced four tracks on Compton, the third and final studio album by Dr. Dre, as well as several tracks on Janet Jackson's 2015 #1 album Unbreakable. Abernathy has also worked on multiple projects with Howard County, Maryland-based rapper, K.A.A.N.