On the "ZME Memphis Center (Tupelo RCAG)" 2030Z archive, you can hear the flight, callsign: "YANKY 72", working the previous Memphis sector prior to the accident. They get cleared from FL180 to FL200 then to FL220, but request FL200 again prior to reaching FL220. At 10:51 on the archive you can hear the handoff to Memphis on 132.50 (the sector the accident takes place in). However 132.50 does not appear to be covered by any LiveATC feeds.
JS