Home Jambase John Mayer Joins Dave Chappelle, Chris Rock & Aziz Ansari In NYCNational Music NewsJambaseMusicJohn Mayer Joins Dave Chappelle, Chris Rock & Aziz Ansari In NYCOctober 3, 20161651FacebookTwitterPinterestWhatsApp Fresh of an appearance at The Roots Picnic, guitarist John Mayer made a surprise appearance alongside a number of comedians.