Home Jambase Cabinet Mandolinist JP Biondo To Guest With Yonder Mountain String Band In...National Music NewsJambaseMusicCabinet Mandolinist JP Biondo To Guest With Yonder Mountain String Band In ArdmoreOctober 11, 2016248FacebookTwitterPinterestWhatsApp Colorado jamgrass act Yonder Mountain String Band will be joined for a sit-in by Cabinet’s JP Biondo on Sunday night.