found: Freeman, C. Beyond the rain [SR] c1978 (a.e.)label (Jumma Santos, percussion)
found: Davis, M. Bitches brew [SR] 1999:container (Jumma Santos (Jim Riley), shaker, congas)
notfound: New Grove dict. of jazz;Enc. of pop. mus., 3rd ed.;Int. ww in mus. Vol. 2, Pop. mus., 1st ed.;Feather, L.G. Bio. enc. of jazz, 1999.
found: Wikipedia, November 18, 2019(Juma Santos, also known as Jumma Santos; born January 15, 1948 in Massachusetts; died September 1, 2007; birth name James P. Riley; percussionist and master drummer known for his extensive work with African music, Caribbean music, jazz, fusion and R&B artists)
