| What Sound | 3:42 | |
| One | 4:17 | |
| Sweet | 3:53 | |
| I Cry | 5:25 | |
| Scratch Bass | 4:47 | |
| Heaven | 5:00 | |
| Small | 5:21 | |
| Gabriel | 4:20 | |
| Sweetheart | 4:09 | |
| Just Is | 4:08 | |
| Blessing In Disguise | 1:43 |
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| What Sound (CD, Album) | Mercury | 586 434-2 | Europe | 2001 | |
| "What Sound" Instrumentals (CDr, Promo, Album) | Warner / Chappell | none | US | 2001 | |
| What Sound Album Sampler (CD, Smplr) | Mercury | SOUNDCJ1 | UK | 2001 | |
| What Sound (2xLP, Album) | Mercury | 586 4341 | UK | 2001 | |
| What Sound (CD, Album) | Universal Music (Russia), Mercury | 586 434-9 | Russia | 2001 | |
| What Sound (CD, Album, Promo) | Mercury | SOUNDCJ2 | Europe | 2001 | |
| What Sound (CD, Enh) | Mercury | 586 538-2 | UK | 2001 | |
| What Sound (Australian Limited Edition) (CD, Enh + CD) | Mercury | 586 538-2 | Australia | 2002 | |
| What Sound Limited Edition (CD, Album, Ltd + CD, Comp, Ltd) | Mercury, Mercury, Mercury | 5869852, 5869862, 5869872 | Europe | 2002 | |
| What Sound (Deluxe) (CD + DVD, NTSC) | Koch Records | KOC-CD-8621 | US | 2003 |
referencing What Sound (Deluxe), CD + DVD, NTSC, KOC-CD-8621