Home Jambase John Popper Covers ‘Walk Away’ & ‘Sugaree’ With Brothers Keeper In DenverNational Music NewsJambaseMusicJohn Popper Covers ‘Walk Away’ & ‘Sugaree’ With Brothers Keeper In DenverDecember 29, 2016309FacebookTwitterPinterestWhatsApp Watch Blues Traveler frontman John Popper aid Brothers Keeper on classics by James Gang and the Grateful Dead.