"Dylan's latest installment in his long-running Bootleg series is one of the shortest, the highlight of which is his collaboration with Johnny Cash ... Weighing in at a mere three discs-last year's More Blood, MoreTracks was twice that size-Travelin' Thru is a relatively trim installment in Bob Dylan's ongoing Bootleg Series. Instead of opening a door onto a secret history, it adds color and texture to an already well-known story: Dylan's late-'60s sojourn in Nashville, the period in which he recorded John Wesley Harding and Nashville Skyline, capped off by his performance on The Johnny Cash Show in 1969-his first television appearance in nearly five years"