Tei's 'Sad Heart' came out on December 10, 2007. With this song being around four minutes long, at 4:26, 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 3 out of 25 in Bad Love (Original Television Soundtrack) by Various Artists. Going off of the ISRC code of this track, we detected that the origin of this track is from South Korea. Based on our statistics, Sad Heart's popularity is not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

Sad Heart テンポ

The tempo marking of Sad Heart by Tei is Allegro (fast, quick, and bright), since this song has a tempo of 142 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.

Sad Heart キー

This song has a musical key of D♭ Major. This also means that 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.