Welcome to this week’s Release Round-Up! Ann-Margret, The Definitive Collection (Real Gone) (Amazon U.S. / Amazon U.K. / Amazon Canada) Real Gone has a new compilation from the one and only Ann-Margret.  The Definitive Collection features 30 of the flame-haired singer/actress’s songs from her 1961-1966 tenure on RCA Records and includes standards, pop, soundtrack recordings and collaborations with Al Hirt and Elvis Presley!  This title was previously issued as a digital-only entry in Sony’s Essential series.  The Second Disc’s Joe Marchese provides the new liner notes! The Rascals, The Complete Singles –…