TRANS 11 (2007) is on-line now with a special issue devoted to African music, that includes articles by Simha Arom, Polo Vallejo, Nathalie Fernando, Ruth M. Stone, Willie Anku, Leonardo D’Amico, Michelle Kisliuk, Kofi Agawu, Andrew L. Kaye y Marcos Branda Lacerda. This issue is matched with some studies about the African influence in popular and traditional Latin American music by Rolando Pérez, Luis Ferreira, Carlos Ruiz Rodríguez y Norberto Pablo Cirio.
You can check it in http://www.sibetrans.com/trans/trans11/indice11.htm