To see more on this and other Great Performances visit www.pbs.org Josh Groban, star of the Tim Rice musical "Chess in Concert," speaks candidly to WNET/THIRTEEN about this passion project, his co-stars Idina Menzel (Wicked) and Adam Pascal (Rent), and the chart-topping music, created by ABBA composers Benny Andersson and Bjorn Ulvaeus. Premiering in HD on THIRTEEN on July 17th at 8 pm EST (check local listings), Great Performances is proud to present "Chess in Concert," taped at the Royal ...