Home Jambase Pro-Shot Video: Greensky Bluegrass Performs ‘Reverend’ At Northwest String SummitNational Music NewsJambaseMusicPro-Shot Video: Greensky Bluegrass Performs ‘Reverend’ At Northwest String SummitMay 1, 2017161FacebookTwitterPinterestWhatsApp Watch Greensky Bluegrass open their Saturday set at last year’s Northwest String Summit with “Reverend.”