By Shaun Brady Kalia Vandever (photo: Alex Joseph) The title of trombonist/composer Kalia Vandever’s second release, Regrowth (New Amsterdam), follows logically from the botanical metaphor of her 2019 debut, In Bloom. The new album certainly lives up to that promise of a further blossoming. However, the meaning of “regrowth” isn’t so simple; it implies a period of trimming back before growth can begin again. Vandever recognizes that the process of evolution is inevitably obstructed by setbacks and detours. “In Bloom marked a very specific point in my life,” Vandever said over the phone from he…