55 years ago, 23-year-old folk-rock songwriter James Taylor released “Mud Slide Slim and the Blue Horizon.” Arriving 15 months after his breakthrough LP “Sweet Baby James,” this third album reached #2 Billboard while earning good reviews. This was blocked from #1 by his friend Carole King’s recent smash album “Tapestry,” both albums featured #1 hit versions of her song “You’ve Got a Friend,” Taylor’s rendition features backing vocals by Joni Mitchell. Carole plays piano on se
