Delightfully upbeat and melodic, Enchantment, colorfully infuses Mr. Ruiz's musical personality on a surfeit of jazz styles.   Pairing original works with those from Miles Davis to Joe Henderson, Mr. Ruiz references memories from his extensive career, which he began as a young jazz pianist, gigging with Clark Terry, Joe Newman, and Jackie MacLean.   Enchantment features Lisle Atkinson, bass, Marion Simon, drums, Renato Thoms, congas/percussion, and special guest, Chico Freeman, tenor saxophone.