Just some most popular song of this group.
Well, what to do with people who have already bought premium + for the sake of additional songs and play on only one instrument due to the fact that now there is no premium + option for one instrument. Money back? Or is it a problem for those who have already spent money?
To add subtitles to training videos would be a good idea, especially in different languages. It is easy to understand English in text form, but it is much more difficult to perceive by ear for people who do not speak English.