sentences:  The trail has been implemented in stages as funds have become available.The National Endowment for the Arts, National Endowment for the Humanities, and Mississippi Department of Transportation have provided grants for funding of various markers, which are co-sponsored with funds from local communities.The marker texts are researched and written by former "Living Blues" magazine editors Jim O'Neal and Scott Barretta, in conjunction with an editorial and design team that has included Wanda Clark; Chrissy Wilson; Allan Hammons; and Sylvester Oliver.