Hồng Ngọc's 'Dĩ Vãng' came out on June 25, 2009. With this song being about 5 minutes long, at 5:19, "Dĩ Vãng" by Hồng Ngọc is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. This song is part of Vết Thương Cuối Cùng by Hồng Ngọc. The song's track number on the album is #2 out of 12 tracks. Based on our statistics, Dĩ Vãng's popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Dĩ Vãng テンポ

Since Dĩ Vãng by Hồng Ngọc has a tempo of 136 beats per a minute, the tempo markings of this song would be Allegro (fast, quick, and bright). With Dĩ Vãng being at 136 テンポ, the half-time would be 68 テンポ with a double-time of 272 テンポ.In addition, we consider the tempo speed to be pretty fast for this song. This makes this song perfect for activities such as, walking. The time signature for this track is 3/4.

Dĩ Vãng キー

This song is in the music 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.