Christian McBride will be roasted at a fundraiser at NJPAC, June 6. Eight-time Grammy-winning jazz bassist, bandleader, composer, educator and producer Christian McBride will be roasted at a June 6 fundraiser at NJPAC in Newark, with proceeds going to NJPAC and the Montclair-based educational organization, Jazz House Kids. McBride is NJPAC’s jazz advisor and is also the artistic director of Jazz House Kids, which his wife, Melissa Walker, founded. Cedric the Entertainer will serve as roastmaster, and comedians George Wallace and Jeff Ross will be among those doing the roasting. Ross — who grew…