RationaL (rapper)
 Matt Brotzel better known as RationaL is a Canadian hip-hop artist from Saskatoon Saskatchewan. On March 30 2010 RationaL released his debut single Cocaine Cowboy off of his upcoming debut album The BirthWrite LP. The song garnered a 2010 Sphere of Hip-Hop award for Song of the Year co-winning the honor alongside 2011 Juno Award winner and fellow Canadian rapper Shad (Rose Garden).