He collaborated with leading American soloists , such as Anthony Braxton , Steve Lacy , Don Cherry , Roswell Rudd , Eddie Gómez , Max Roach , Nacci Alberto , but also with the Argentinian Gato Barbieri and Frenchman Jean-Luc Ponty .
He worked with leading American soloists , such as Anthony Braxton , Steve Lacy , Don Cherry , Roswell Rudd , Eddie Gomez , Max Roach , Nacci Alberto , but also with the Argentinian Gato Barbieri and Frenchman Jean-Luc Ponty .