الآراء
1:19
Musicology app preview
8:28
Top 7 Apps for Guitar Players
4:08
Guitar Note Trainer v1.x - Video Tutorial
4:40
Guitar Note Trainer v2.0 - Video Tutorial
6:55
Guitar Note Trainer v4.0 - Video Tutorial
4:33
Guitar Note Trainer v2.1 - v2.2 Video Tutorial
5:42
Guitar Note Trainer v3.0 - v3.1 Video Tutorial
6:29
Bass Guitar Note Trainer v3.0 - Video Tutorial
