Want COS 20 song-by-song tutorials for your instrument? Head to our YouTube channel:

COS 20 2019 - 2020 Electric Guitar Tutorials:


COS 20 2019 - 2020 Drum Tutorials:


COS 20 2019 - 2020 Bass Tutorials:


COS 20 2019 - 2020 Keys Tutorials:


want to know the vocal parts for the cos 20 songs?