The Tri Continental Trio, plays a mixture of Jazz from Argentina, Spain,and the USA. Guillermo Gregorio, Clarinet, from Argentina; Roman Lopez, Drums, from Spain Joe Fonda, Bass; Guillermo Gregorio (born May 1, 1941, Buenos Aires) is an Argentine jazz and free improvisation clarinetist, saxophonist, and composer.

[source: Bop Shop website, 2018-Dec-3]