The fourth volume of Matana Roberts’ “Coin Coin” series on Constellation Records, “Memphis”, is our album of the week. It finds the American composer and saxophonist developing her ethnographic work through spoken word traditionals and blues, punctuated by free jazz bursts that make it an essential listen. Plus: new tracks by Dead Combo, Jaimie Breezy Branch, Yazz Ahmed, Vive la Void, Warmduscher, Comet Gain, Wolf Parade, Peggy Sue, Allah-Las, Jennah Barry, Julien Baker, The National’s Matt Berninger & Phoebe Bridgers, Gus Seyffert, Cass McCombs, John Moreland, Christopher Paul Stelling, Richard Dawson, Lankum, Daniel Martin Moore, and Andre Ethier.