El Porqué de las Cosas Original Motion Picture Soundtrack
| Composed by | Carles Cases |
| Published by | Picap |
| Release type | Film Score - Official Release |
| Format | 1 Digital - 15 tracks |
| Release date | November 17, 1995 |
| Duration | 00:39:01 |
| Genres |
| 1 | VoluntadCarles Cases | 03:12 |  |
| 2 | HonestidadCarles Cases | 01:31 | |
| 3 | DespechoCarles Cases | 02:42 | |
| 4 | CompeticiónCarles Cases | 03:15 | |
| 5 | PasiónCarles Cases | 04:21 | |
| 6 | EgoCarles Cases | 05:12 | |
| 7 | DeseoCarles Cases | 01:53 | |
| 8 | AmorCarles Cases | 02:21 | |
| 9 | CelosCarles Cases | 01:48 | |
| 10 | SumisiónCarles Cases | 05:34 | |
| 11 | SinceridadCarles Cases | 01:19 | |
| 12 | EntendimientoCarles Cases | 00:49 | |
| 13 | CompenetraciónCarles Cases | 01:07 | |
| 14 | FeCarles Cases | 01:06 | |
| 15 | DudaCarles Cases | 02:51 | |
