"A Promise" by Tr_at was released on November 24, 2020. The duration of A Promise is about two minutes long, specifically at 2:15. This song does not appear to have any foul language. A Promise's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in A Promise and no other songs are present in the album, we classify this track as a single. A Promise is average in popularity right now. Although the overall vibe is very danceable, it does project more negative sounds.

A Promise テンポ

The tempo marking of A Promise by Tr_at is Andante (at a walking pace), since this song has a tempo of 87 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

A Promise 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.