Silence is composed by Charlie Haden. This version is a duet  with Egberto Gismonti on Piano and Charlie Haden himself on Bass. It is the fifth track on the live-album In Montreal.

In Montreal is an album by bassist Charlie Haden and guitarist/pianist Egberto Gismonti recorded in 1989 at the Montreal International Jazz Festival and released on the ECM label in 2001. [source]

Charlie Haden – Bass

Egberto Gismonti – Piano