When last we heard from Brooklyn composer-saxophonist Marcus Strickland, on 2016’s Nihil Novi, he was testing his mettle at hip-hop-inspired production, blending genres with a little help from album producer Meshell Ndegeocello. In the process, something big happened: “I was no longer concerned about what is or isn’t jazz,” he says. “I got rid of those barriers and was like, …