Trinh's 'Lá thư xanh' came out on November 11, 2022. With this song being around four minutes long, at 3:45, 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. Because this song is the only song in Lá thư xanh and no other songs are present in the album, we classify this track as a single. Based on our statistics, Lá thư xanh'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.

Lá thư xanh テンポ

We consider the tempo marking of Lá thư xanh by Trinh to be Allegro (fast, quick, and bright) because the track has a tempo of 145 テンポ, a half-time of 72テンポ, and a double-time of 290 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Lá thư xanh 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.