When the Kenny Wayne Shepherd Band released their first album, Trouble Is, in 1996, there was little idea that it would go on to hit platinum and allow its namesake guitarist and musician to become the forerunner of a new generation of blues rock figures. To mark the occasion of that album’s 25th anniversary, the band reassembled to play a packed house at The Strand Theatre in Shepherd’s hometown, Shreveport, Louisiana. The documentary is a mix of talking heads and archival footage. All of this is interspersed with excerpts of their live anniversary show, serving as a demonstration of the power and vitality the band still commands. Providing insights into some of the song lyrics and Shepherd’s intended purpose for them is one of the key highlights of the documentary. At one point, the film...