WMOT Roots Radio, MTSU’s flagship public radio station, will be among co-producers of the AmericanaFest Day Stage as part of the 20th annual Americana Music Festival & Conference (AmericanaFest) taking place Sept. 10-15 in Nashville. WMOT joins NPR Music, in partnership with the nationally-syndicated “World Cafe” daily music program produced by WXPN/Philadelphia and the Tennessee…