Tony Betancourt is the “nexus, the magus, the universal joint” of the Cuban Jazz Project. Tonight in Cambridge two members of the project will join him for a performance at Ryles Jazz Club: bassist Baron Browne ( Jean-Luc Ponty ) and percussionist Gregorio Vento. This ensemble also will feature Max Creek/Mike Gordon guitarist Scott Murawski as well as sax player Sam Kininger and drummer Lionel Cordew. Music is scheduled to begin at 8:30PM.