Grab tickets to the rest of the festivities at the Bluegrass Situation Presents: A St. Patrick’s Day Festival at New York’s New Irish Arts Center, with de Groot and Hargreaves participating in an opening night jam session with fiddler-banjoist Jake Blount and traditional dancer Nic Gareiss on March 17 as well as a headlining show from Blount and Gareiss on March 18.