TOKOTOKO made "ハートトゥハート" available on November 17, 2013. With this song being around four minutes long, at 3:49, 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. There is only one song in ポケットサイズ・ドキュメンタリ, so we believe that "ハートトゥハート" is a single. Based on our statistics, ハートトゥハート's popularity is not that popular right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

ハートトゥハート テンポ

The tempo marking of ハートトゥハート by TOKOTOKO is Allegro (fast, quick, and bright), since this song has a tempo of 124 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

ハートトゥハート 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.