The progressive rock pioneers have gathered The Musical Box, Renaissance Feat. Anne Haslam and Carl Palmer’s ELP Legacy for a “a day-into-night musical adventure in full quadrophonic sound” scheduled for Aug. 3 at Susquehanna Bank Center in Camden, N.J.  Tickets for “Yestival” on sale Friday. The upcoming Yes tour will feature the band playing start-to-finish … More Yes Unveils ‘Yestival’