found: Isley Jasper Isley (Musical group). Caravan of love [SR] p1985:label (Isley Jasper Isley) container (Marvin Isley)
found: International who's who in popular music, 4th ed.(Isley, Marvin; born August 18, 1953, Cincinnati, Ohio; musician (bass, percussion))
found: New York times website, June 8, 2010(in obituary published June 7: Marvin Isley; born August 18, 1953, Cincinnati; died Sunday [June 6, 2010], Chicago, aged 56; bassist who provided the foundation for his family's hit-making R&B band, the Isley Brothers)
found: Wikipedia website, viewed July 8, 2015(Marvin Isley; in 1973 joined his brothers as part of the Isley Brothers performing rhythm and blues and soul music; in addition to playing bass he provided percussion and co-wrote some of their hits; formed the group Isley-Jasper-Isley with his brother Ernie and Chris Jasper in 1984; after it split in 1988 he rejoined the Isley Brothers in 1991; retired in 1997 after complications with diabetes)