Welcome to this week's Release Round-Up! Bob Dylan, 1970 (Columbia/Legacy) (Amazon U.S. / Amazon U.K. / Amazon Canada) In recent years, Bob Dylan's annual copyright-extension collections have become highly sought-after collectors' items and fodder for bootleggers everywhere. Happily, Legacy Recordings has opted to give a wide release to Dylan's 1970 set, largely drawn from the Self Portrait sessions and featuring his loose jams with George Harrison. This 3-CD set features 74