Milwaukee Irish Fest:
Friday, 7:00 p.m. - Harp Stage
    www.irishfest.com/festival/music/stage_16.php?Day=2
Saturday, 7:00 p.m. - Harp Stage
    www.irishfest.com/festival/music/stage_16.php?Day=3
Sunday, 4:30 p.m. - Harp Stage
    www.irishfest.com/festival/music/stage_16.php?Day=4

4:00 PM Chicago Celtic Fest Harp Stage, Grant Park. FREE Admission.

http://www.explorechicago.org/city/en/supporting_narrative/events___special_events/events/mose/celtic_fest_chicago4.html