Welcome to this week’s Release Round-Up! Pete Seeger, The Smithsonian Folkways Collection (Smithsonian Folkways) (Amazon U.S. / Amazon U.K. / Amazon Canada) Smithsonian Folkways’ newly curated collection celebrates the late troubadour with 137 tracks over 6 CDs – classic songs, collaborations, and live recordings including 20 previously unreleased tracks, all of which were remastered by Pete Reiniger.  From his first recording sessions with Folkways founder Moses Asch through his ’90s performances, the box offers a comprehensive look at Seeger’s career on Folkways, Asch, Disc, Young People’s Music, and Paredon.  The set is…