| Artist | : | #有名クラシック チャイコフスキー ３大バレエのワルツ | Perfect for Relaxation and Focus (1h) |
| Title | : | Classic Bible |
| Duration | : | 15 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | #有名クラシック チャイコフスキー ３大バレエのワルツ | Perfect for Relaxation and Focus (1h) |
| Title | : | Classic Bible |
| Duration | : | 15 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |