Home Jambase Greensky Bluegrass Celebrates Dave Bruzza’s Birthday In PittsburghNational Music NewsJambaseMusicGreensky Bluegrass Celebrates Dave Bruzza’s Birthday In PittsburghFebruary 8, 2017306FacebookTwitterPinterestWhatsApp Tuesday’s Greensky Bluegrass show in Pittsburgh saw the crowd sing “Happy Birthday” to guitarist Dave Bruzza.