The seventh volume in ' award-winning is comprised of unreleased material from the sessions for his final studio albums -- , , and -- that appeared annually from 1983 to 1985. They reveal the profound influence that era's pop music and MTV had on the trumpeter. The three-disc box assembles 19 alternates and outtakes, alongside the live , issued for Record Store Day. The booklet includes interviews with the musicians and producer. Eight of disc one's ten tracks are drawn from 1983's sessions, the last recording, produced by . It opens with his bleating synth intro to the 13-minute "Santana." A rumbling bassline is framed by 's drums, 's urgent percussion, and the funky, dissonant electric guitars of and . The interplay between ' muted horn and keyboards introduces ' fluid soprano sax halfway through. The choppy, repetitive horn vamps amid the jagged group interplay recall in places. The other highlight on disc one is the three-part "Celestial Blues." It's lithe and funky, bathed in steamy grooves. -- with and without mute -- freely engages the guitarists as the rhythm section lays a deep cut. ' tenor solo in part one is saturated in the influence of . It closes with two unremarkable alternates of 's "Freaky Deaky." Disc's two's highlights include two wonderful alternates of 's "Time After Time" (from 1985's ). The first is uptempo and funky; the latter is three minutes longer with a slow, dubby, reggae processional. A jagged, muscular read of "Theme from Jack Johnson (Right Off)/Intro" offers a killer break from and punchy, athletic bass from . In addition to an emotionally poignant version of 's "Human Nature," the disc includes a warm, lyrical, moving read of 's "What's Love Got to Do with It" that never made the album. The disc closes with a smoking version of "Katia" featuring an incendiary performance by guitarist . Both discs are peppered with ' studio banter. The live disc is riveting. The band -- -- open with a ramped-up, driving, 13-minute "Speak (That's What Happened)" that sometimes recalls, the unruly voodoo funk on , albeit in more polished form. Here, "Star People" is loose and airy, offering great solos by guitarist, trumpeter, and saxophonist. "What It Is" offers fiery, interlocking funk as go head to head. Closer "Code 3" is an excellent showcase for . There is no question that will cause controversy among jazz fans. But it isn't for them. It's for fans and presents an unvarnished taste of him -- from the cutting room floor no less -- attempting to reinvent himself one last time. ~ Thom Jurek