Gato Barbieri - "Brasil"

Recorded June 18, 1971 at the Montreux Jazz Festival, featuring Gato Barbieri (tenor sax), Lonnie Liston Smith (piano), Chuck Rainey (bass), Bernard Purdie (drums), Sonny Morgan (congas), Nana Vasconcelos (percussion, berimbau).

Gato Barbieri official site

Donald Byrd - "Blackbyrd"

Recorded July 5, 1973 at the Montreux Jazz Festival, featuring Donald Byrd (trumpet, flugelhorn, vocals), Fonce Mizell (trumpet, vocals), Allan Barnes (tenor sax, flute), Nathan Davis (tenor sax, soprano sax), Kevin Toney (electric piano), Larry Mizell (synthesizer, vocals), Barney Perry (guitar), Henry Franklin (electric bass), Keith Killgo (drums), and Ray Armando (congas, percussion).

Donald Byrd on Wikipedia