"Unknown Caller" by U2 was released on January 1, 2009. Unknown Caller is about six minutes long, preciously at 6:02, making this song fairly long compared to other songs. There are a total of 11 in the song's album "No Line On The Horizon". In this album, this song's track order is #4. In terms of popularity, Unknown Caller is currently below average in popularity. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Unknown Caller テンポ

With Unknown Caller by U2 having a テンポ of 104 with a half-time of 52 テンポ and a double-time of 208 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 slow tempo. The time signature for this track is 4/4.

Unknown Caller キー

This song has a musical key of A Minor. Because this track belongs in the A Minor key, the camelot key is 8A. So, the perfect camelot match for 8A would be either 8A or 7B. While, a low energy boost can consist of either 8B or 9A. For moderate energy boost, you would use 5A and a high energy boost can either be 10A or 3A. However, if you are looking for a low energy drop, finding a song with a camelot key of 7A would be a great choice. Where 11A would give you a moderate drop, and 6A or 1A would be a high energy drop. Lastly, 11B allows you to change the mood.