George Clinton performs at NJPAC in Newark, March 18. Here is a roundup of arts events taking place around the state, through March 24. MUSIC • George Clinton, the eccentric funk pioneer who turned 80 last year, will celebrate with an 80th Birthday Bash at NJPAC in Newark, March 18 at 8 p.m. He’ll perform with his Parliament-Funkadelic band plus guests Questlove (of The Roots and “The Tonight Show Starring Jimmy Fallon”), Vernon Reid (of Living Colour), Nona Hendryx (of Labelle), Treach (of Naughty by Nature), DJ Eric B (of Eric B & Rakim) and Nick Cannon. Clinton was born in North Carolina bu…