Welcome to this week's Release Round-Up, featuring a selection of the titles arriving in stores today! Frank Zappa, The Mothers 1971 / Fillmore East - June 1971: 50th Anniversary Expanded Edition / Rainbow Theatre - December 10, 1971 (Zappa Records/UMe) The Mothers 1971: Official Zappa Store / Amazon U.S. / Amazon U.K. / Amazon Canada Fillmore East - June 1971: 50th Anniversary Expanded Edition: Official Zappa Store / Amazon U.S. / Amazon U.K. / Amazon Canada Rainbow Theatre -