Proving that everything new can be old again, pianist Scott Bradlee became a viral pop sensation after creating a series of clips for YouTube that found him and his ad hoc group Postmodern Jukebox reworking 21st century pop hits in a variety of vintage styles. Initially emerging as an online entity in 2009, Bradlee broke wide in 2012 with his '20s-style jazz reworking of Macklemore's "Thrift Shop" featuring vocalist Robyn Adele Anderson. More widely shared cover songs followed as the pianist transformed Miley Cyrus' "We Can't Stop" into a '50s-style doo wop number, crossed Daf...