Having known each other and been friends in their music synchronicity for fifty years, Carole King and James Taylor, considered two of the most influential singer/songwriters of their generation, are shown in concert on their Troubadour Reunion Tour. The tour itself is an offshoot off what was intended to be their one-time only Troubadour Reunion concert in 2007, the Troubadour a famed Los Angeles concert venue where they first performed together in 1970 when he asked her to join his band, she up to that point known primarily as a songwriter in collaboration with Gerry Goffin for other performing artists. The genesis of their friendship and their musical collaboration in how it resulted in this tour is presented through archive footage, some of old concerts, and through interviews with them and others associated to their joint act, including longtime band mates and producers.—Huggo