Samba sings and plays on two Bill Summers' CDs, Headhunters: Evolution Revolution (Basin Street Records, 2003) and The Essence of Kwanzaa (Monkey Hill, 1997). Samba's song "Sa Ntima (Hope)," from his 1990 album Introspection appears on the compilation Africa (Putumayo, 1999). Sa Ntima also appears on Ashkenaz Celebrates 30 Years (Ashkenaz, 2003). Ngo has songs on two compilations: Global Voices: A Vox Set (Music of the World, 1998) and African Heartbeat: The Essential African Music Collection (Shanachie, 1998).