As he grew older, the French violinist increasingly sought out younger players to challenge him. Grappelli found an excellent foil in vibraphonist Gary Burton, and they kick up dust on "Eiderdown." "Blues for Django and Stéphane" reheats the Hot Club of France sound with guitar great Larry Coryell, among others. And violinist Jean-Luc Ponty holds his own with elders Grappelli and Stuff Smith.