Tonetta Theory made "Sweetheart" available on February 22, 2006. The duration of Sweetheart is about two minutes long, specifically at 2:53. This song does not appear to have any foul language. Sweetheart's duration is considered a little bit shorter than the average duration of a typical track. Since Sweetheart only contains only one song in the album, we like to consider this song as a single. In terms of popularity, Sweetheart is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Sweetheart テンポ

With Sweetheart by Tonetta Theory having a テンポ of 108 with a half-time of 54 テンポ and a double-time of 216 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 moderate tempo. The time signature for this track is 4/4.

Sweetheart キー

This song has a musical key of D♭ Major. Or for those who are familiar with the camelot wheel, this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.