https://kickofftosummer.hvnlnna.comRunning from the 2nd-9th. You can view by city, venue, or at the very bottom of the link in the fine print there's another link 'Details/Participating Acts' that has an alphabetized list of all the performers and venues they're playing at.
I just copped lawn seats for Santana at Bethel and a Saturday day pass for Susquehanna Breakdown in Scranton for 40$ total with no fees. Go see live music!