Osaka BB Wave’s new single Rock Key will be released on August 7.
The CD includes 2 songs and their instrumental versions.
It was recorded with the 26 members of the idol group for the first time.
It is the 4th single from Osaka BB Wave.
- Blue Note ~Aoi Onpu~ (～青い音符～)
- Rock☆Key (Instrumental)
- Blue Note ~Aoi Onpu~ (～青い音符～) (Instrumental)