| Artist |
| X Religion |
| Xaal |
| Xanadu |
| Xang |
| Xanthan |
| Xen |
| Xerosync |
| Xhol Caravan |
| XII Alfonso |
| Xinema |
| XL |
| XNA |
| Xorcuayabi |
| Album | Year | |
 | Different Ways | 2002 |
 | Basic Communication | 2006 |
| Song | ||||
| 0. Across the Styx | 4:43 | (30) |  | |
| 0. Blind is the light | 7:05 | (68) | | |
| 0. Different ways | 4:50 | (36) | | |
| 0. Distant lights | 5:03 | (31) | | |
| 0. How can I believe | 4:38 | (21) | | |
| 0. In the scent of the night | 5:46 | (36) | | |
| 0. Maybe time | 3:06 | (16) | | |
| 0. One day | 3:41 | (22) | | |
| 0. Over the sea | 3:52 | (31) | | |
| 0. The last flower | 4:38 | (19) | | |
| 0. The secret | 5:56 | (26) | | |
| 0. Timing | 4:30 | (29) | | |
= Song added within the past days