| Artist | : | 集中力が高まるクラシック名曲集＜2017年版＞・Classical Music Collection Raises Your Concentration（長時間作業用BGM) |
| Title | : | nene1m Sonicx |
| Duration | : | 18047 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |
| Artist | : | 集中力が高まるクラシック名曲集＜2017年版＞・Classical Music Collection Raises Your Concentration（長時間作業用BGM) |
| Title | : | nene1m Sonicx |
| Duration | : | 18047 |
| Source | : | Youtube |
| Type of file | : | Audio/Video (.mp3 .mp4) |