Masabumi Kikuchi was a Japanese jazz pianist and composer known for his unique playing style. He worked with many diverse musicians, including Sonny Rollins, Miles Davis, McCoy Tyner, Elvin Jones, Gary Peacock and Paul Motian, and collaborated with Gil Evans and Tōru Takemitsu.

Gary George Peacock was an American jazz double bassist. He recorded a dozen albums under his own name, and also performed and recorded with major jazz figures such as avant garde saxophonist Albert Ayler, pianists Bill Evans, Paul Bley and Marilyn Crispell, and as a part of Keith Jarrett’s “Standards Trio” with drummer Jack DeJohnette. The trio existed for over thirty years, and recorded over twenty albums together. DeJohnette once stated that he admired Peacock's "sound, choice of notes, and, above all, the buoyancy of his playing." Marilyn Crispell called Peacock a "sensitive musician with a great harmonic sense."