Tonight at 7, the Peninsula Foundation presents Voices in the Valley, a showcase of traditional roots music in the historic G.A.R. Hall. The event will feature a performance by the Slocan Ramblers, a group that leads today’s acoustic music scene. The Ramblers have played at huge festivals such as Merlefest and RockyGrass. Beer, wine and other adult beverages will be available. Tickets cost $25.