With the Irish summer festival calendar already bursting at the proverbial seams, Trinity College Park have announced a new summer series featuring headliners The Pixies, alt-J, Gregory Porter, Two Door Cinema Club, Bell X1 and James Vincent McMorrow.  Set to run from Thursday, July 6 to Tuesday, July 11, tickets for the shows – priced €44.05 incl. for Porter, TDCC, JVMM and Bell X1 and €54.65 for Pixies and alt-J – go on sale this Friday at 9am.