The hip-hop duo will be playing Limerick's Trinity Rooms November 29 in support of Sunshine Underground.
Fans can't buy tickets for the even as it is invite only, but they can go on to the Heineken Green Sphere website, register and apply for a ticket. Those registered can receive regular text messages and e-mails about upcoming events and those lucky enough to be selected will be offered a free ticket to the Sunshine Underground/Messiah J & The Expert gig.