What top 40 hit was written by the noted "The Moonshiner" performer and was covered by many artists including Robert Plant and Johnny Cash?
The Moonshiner:  The song has also been performed by Elliott Smith, Cat Power, Rumbleseat, Cast Iron Filter, Peter Rowan, Railroad Earth, Bob Forrest, Roscoe Holcomb, Uncle Tupelo, Jeffrey Foucault, The Tallest Man On Earth, Tim Hardin, Charlie Parr, Punch Brothers, Redbird, Sons of an Illustrious Father, Robert Francis, Scorpios, Ekoostik Hookah, Moriarty and Ben Holland. Tim Hardin:  He wrote the Top 40 hit "If I Were a Carpenter", covered by, among others, Bobby Darin, Joan Baez, Johnny Cash, The Four Tops, Robert Plant, and Johnny Rivers; his song "Reason to Believe" has also been covered by many artists, notably Rod Stewart (who had a chart hit with the song), Neil Young, and The Carpenters.
If I Were a Carpenter