The Ummah—Q-Tip, J Dilla and Ali Shaheed Muhammad—discovered a world of sonic possibility connecting past to future. Mariah Carey's "Honey" made the old-school hip-hop cut "Hey DJ" into a modern R&B floor-filler, while "Find a Way" made a Tom Browne party groove into a sumptuous date-night jam. The subtle rhythmic pocket of A Tribe Called Quest's "1nce Again" gave its jazz samples a fractured groove.