 About this same time, the Nairobi-based Congolese vocalist Samba Mapangala and his band Orchestra Virunga, released the LP "Malako", which became one of the pioneering releases of the newly emerging world music scene in Europe.The musical style of the East Africa-based Congolese bands gradually incorporated new elements, including Kenyan benga music, and spawned what is sometimes called the "Swahili sound" or "Congolese sound".The following example is from the Congolese "rumba" "Passi ya boloko" by Franco (Luambo Makiadi) and O.K.