To the benefit of our ears, Michael League has not been content to remain inside the cozy kennel of Snarky Puppy, the Grammy-winning, groove-rooted, 12-piece instrumental band he founded and leads — widely recognized as the best of its breed. Instead, League has been a most willing collaborator, producing, composing, and playing bass, guitar, and percussion with the likes of David Crosby, Becca Stevens, and Lucy Woodward; creating another kick-ass band, the Delta-Creole-African mashup Bokanté; and starting his own internationally focused record label, GroundUP Music — with its own annual festival, no less. And that’s all in between forays to foreign lands to learn exotic instruments and traditional music and culture. A bonus to League unleashing his multi-talents and intrinsic curiosity is, of course, that he brings his gained wisdom back to the Snarky Puppy doghouse. That’s especially apparent on the band’s latest, Immigrance. The eight-track disc (with three bonus tracks