Home Jambase Billy Strings Makes Surprise Appearance With Post Malone At BonnarooNational Music NewsJambaseBilly Strings Makes Surprise Appearance With Post Malone At BonnarooJune 17, 202410FacebookTwitterPinterestWhatsApp billy strings makes surprise appearance with post malone at bonnaroo Billy Strings made a surprise appearance at Bonnaroo, dropping in on Post Malone’s set on Friday night.Source: JamBase.com