- Yo-Yo Ma Bobby McFerrin Hush CD 1992 Sony Music. For this recording 20 Bit Technology was used for "High Definition Sound".
- Hush is a collaborative album by vocalist Bobby McFerrin and cellist Yo-Yo Ma. It was released on the Sony Masterworks label in 1992. The pair first met at a 1988 celebration of Leonard Bernstein.
- The album was produced by McFerrin and Steven Epstein. McFerrin wrote five of its songs; the collaborators adapted three Johann Sebastian Bach compositions. According to McFerrin, Ma was hesitant to improvise during the recording sessions.
- The CD has 13 tracks on it.
- The CD Case measures 5 5/8" Length x 4 7/8" Tall x 3/8" Thick. It weighs 3.84 ounces or 109 grams.