The Jazz Intrusion was an American grindcore project from Savannah, Georgia. The people involved claimed they were from Kingston, Jamaica, and used the aliases
Jah Slippy,
Robin Blunt and
King Tightus.
According to David Rapp The Jazz Intrusion were some guys that were living in Savannah at the time and wanted to do a goofy grindcore side project that got taken a bit seriously.