The Rapidgrass Bluegrass Festival is held in Idaho Springs, Colorado.
The 2018 Rapidgrass Bluegrass Festival is set for June 15-17.
The 2018 music lineup includes:
Rapidgrass (host band)
Sierra Hull
Hawktail
Rob Ickes & Trey Hensley
Jake Jolliff Band
Sam Reider and The Human Hands
Sally & George
Darol Anger and The Furies
and many more.
Festival website: Rapidgrass Bluegrass Festival