| Artist | : | 12 HOURS of Melodic Metal for Working, Studying and Concentration | No Vocals |
| Title | : | Metal Mastery |
| Duration | : | 43185 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | 12 HOURS of Melodic Metal for Working, Studying and Concentration | No Vocals |
| Title | : | Metal Mastery |
| Duration | : | 43185 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |