Mulgrew Miller dead by a stroke at the age of 57? That seems desperately unfair. It’s by musicians like Mulgrew Miller—no journeyman but a master of all the materials of the medium, not to mention his instrument—that jazz stays alive and breathing. And as a sideman? If you’re a soloist he’s the guy you want comping behind you, if you’re a bassist or a drummer he’s who you want in the rhythm section with you. Put Mulgrew in the band and everything will be all right. So this week’s Updoc—Friday at 8PM and noon next Tuesday, Pissed-Off Brooklyn time—starts off with an hour of his music in a number of formats, then tries to cool itself off with Copland’s Clarinet Concerto and Hovhannes’ Fourth Symphony and such. Mulgrew Miller from Greenwood Mississippi? Damn will he be missed.