Phil Lesh will lead another round of Songs to Phil the Air in Beach Park near his Terrapin Crossroads venue in San Rafael, CA, this afternoon, and the Grateful Dead bassist will welcome a few friends for the occasion.

Joining Lesh for the free outdoor concert will be singer-songwriter Cass McCombs, pianist Holly Bowling and former RatDog guitarist Mark Karan. The show will take place at 4:30pm PT.