Mark your calendars for Monday, July 29, when bluegrass supergroup Mighty Poplar play the Prescott Park Arts Festival. This new all-star roots project featuring Andrew Marlin of Watchhouse, Noam Pikelny and Chris Eldridge of Punch Brothers, bassist Greg Garrison (Leftover Salmon) and fiddler Alex Hargreaves (Billy Strings) come together to blend an irresistible sonic tapestry that celebrates real deal bluegrass. They will play songs from their recent self-titled, Grammy-nominated album.