Sakurakou K-ON Bu made "Happy!? Sorry!! - Instrumental" available on March 23, 2017. With this song being around four minutes long, at 3:45, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The song is number 4 out of 4 in Cagayake! Girls (from "K-ON!") by Sakurakou K-ON Bu. The popularity of Happy!? Sorry!! - Instrumental is currently not that popular right now. The mood doesn't appear to be that danceable, but it still produces a high amount of positive energy.

Happy!? Sorry!! - Instrumental テンポ

The tempo marking of Happy!? Sorry!! - Instrumental by Sakurakou K-ON Bu is Presto (very, very fast), since this song has a tempo of 180 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.

Happy!? Sorry!! - Instrumental キー

This song has a musical key of A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.