On July 1, 2009, the song "Undelivered Letter" was released by Quantic and His Combo Barbaro, Quantic. With this song being about 5 minutes long, at 5:24, "Undelivered Letter" by Quantic and His Combo Barbaro, Quantic 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. There are a total of 12 in the song's album "Tradition In Transition". In this album, this song's track order is #4. In terms of popularity, Undelivered Letter is currently not that popular. The overall mood can be danceable to some, especially with it's high amount of postive energy.

Undelivered Letter テンポ

With Undelivered Letter by Quantic and His Combo Barbaro, Quantic 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.

Undelivered Letter キー

This song has a musical key of B Minor. Or for those who are familiar with the camelot wheel, this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.