It’s a Monday release date here in the U.S., so here’s your early Release Round-Up! Bee Gees, 1974-1979 (Reprise/Rhino) (Amazon U.S. / Amazon U.K.) This box set brings together the band’s Mr. Natural, Main Course, Children of the World and Spirits Having Flown plus a disc of previously issued bonus material.  Full track listing and details here.  Watch on Record Store Day for a companion vinyl release to this set featuring the 12-inch mixes from Saturday Night Fever! Kansas, Miracles Out of Nowhere (CD/DVD Set) (Epic/Legacy) (Amazon U.S. / Amazon U.K.) The new…