C4 Trío, Alexis Cardenas's 'Valsa Em Si (feat. Alexis Cárdenas)' came out on March 26, 2009. With this song being about 5 minutes long, at 4:33, "Valsa Em Si (feat. Alexis Cárdenas)" by C4 Trío, Alexis Cardenas 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. The song is number 8 out of 11 in C4 Trío Entre Manos by C4 Trío. In terms of popularity, Valsa Em Si (feat. Alexis Cárdenas) is currently not that popular. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.
The tempo marking of Valsa Em Si (feat. Alexis Cárdenas) by C4 Trío, Alexis Cardenas is Andante (at a walking pace), since this song has a tempo of 101 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
B Major is the music key of this track. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.