Long Island, New York emcee Dashah has announced his 2010 CMJ Music Showcase performance to HipHopDX. The DXnext alum will share a stage with trio Tanya Morgan, Michigan’s One Be Lo, fellow DXnext’er Davinci and iconic emcee/producer Large Professor, who will appear alongside Neek The Exotic. The October 20 performance will go down at Brooklyn’s famed Southpaw stage.

In other news, Hip Hop group Sons of 84 has released Hello World. The debut release features a diverse group of emcees, including incarcerated Rap superstar Lil Wayne, Duck Down Records’ new acts Skyzoo and Naledge.