4, 5 and 6 is a studio album by saxophonist Jackie McLean recorded for Prestige Records. It was recorded in 1956 and released that year as PRLP 7048. In 1962, the album was reissued under the same title on the Prestige sub-label New Jazz Records as NJ 8279 with a different cover. The album was reissued on CD in 1991. It features McLean in a quartet with pianist Mal Waldron, bassist Doug Watkins and drummer Art Taylor. Trumpeter Donald Byrd guests on three tracks, and tenor saxophonist Hank Mobley on one. 1. Sentimental Journey 2. Why Was I Born? 3. Contour 4. Confirmation 5. When I Fall in Love 6. Abstraction Jackie McLean – alto sax Hank Mobley – tenor sax (#4) Donald Byrd – trumpet (#3, 4, 6) Mal Waldron – piano Doug Watkins – bass Art Taylor – drums Recorded on July 13 (#1–3) and 20 (#4–6), 1956.