After this , another trip to the bar was needed and a quick purchase of a t - shirt - I ' m loving my concert t - shirts at the moment . Then it was back amongst the crowd to wait for Conor to appear . All of a sudden the Mystic Valley Band came on and then he appeared to a rapturous cheer .

Possible answers:
(1). None of the above choices .
(2). To commemorate the sports match .
(3). To commemorate the event .
(4). To commemorate the bar mitzvah .
Q: Why is the group going to buy up some t shirts ?
(3).