Welcome to this week's Release Round-Up! Various Artists, Stax Singles Vol. 4: Rarities and Best of the Rest (Stax/Craft) (Amazon U.S. / Amazon U.K. / Amazon Canada) Craft Recordings boxes up a fourth volume of rare singles from the Stax vaults. Volume Four lives up to its subtitle, collecting odds and ends from Stax and its various imprints by artists including not just the label's usual heavy hitters but also Big Star, Billy Eckstine, Delaney and Bonnie, and others. 80 pages of