Rare Music, Romanchikku made "my heart <3" available on February 18, 2022. For a fairly short song, this song is "my heart <3" is considered an explicit song with a duration of 1:12. There are a total of 4 in the song's album "Romance?". In this album, this song's track order is #1. my heart <3 is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

my heart <3 テンポ

With my heart <3 by Rare Music, Romanchikku having a テンポ of 82 with a half-time of 41 テンポ and a double-time of 164 テンポ, we would consider this track to have a Andante (at a walking pace) tempo marking. Because of this, we believe that the song has an overall slow tempo. The time signature for this track is 4/4.

my heart <3 キー

This song has a musical key of A Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 11B. So, the perfect camelot match for 11B would be either 11B or 12A. While, 12B can give you a low energy boost. For moderate energy boost, you would use 8B and a high energy boost can either be 1B or 6B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 11A or 10B will give you a low energy drop, 2B would be a moderate one, and 9B or 4B would be a high energy drop. Lastly, 8A allows you to change the mood.