Welcome to this week’s Release Round-Up, featuring a selection of the week’s new titles! Christine McVie, Songbird: A Solo Collection (Rhino) CD: Amazon U.S. / Amazon U.K. / Amazon Canada LP: Amazon U.S. / Amazon U.K. / Amazon Canada “Sea Foam” Green LP: Rhino.com Christine McVie releases her first-ever solo compendium.  Songbird (A Solo Collection), available in CD, 180-gram vinyl, and digitally, is a lean 10-track anthology remastered by producer Glyn Johns who worked in tandem with McVie on the release.  Songbird is mainly drawn from 2004’s In the Meantime with two selections from 1984’s Christine McVie: “The Challenge,” featuring background vocals by Lindsey Buckingham and lead guitar by Eric…