AJJ's 'Back Pack' came out on September 20, 2011. With this song being around four minutes long, at 3:35, 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. The track order of this song in AJJ's "Knife Man" album is number 4 out of 16. Back Pack is below average in popularity right now. Although the overall vibe is very danceable, it does project more negative sounds.

Back Pack テンポ

We consider the tempo marking of Back Pack by AJJ to be Adagio (slowly with great expression) because the track has a tempo of 75 テンポ, a half-time of 38テンポ, and a double-time of 150 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Back Pack キー

A Minor is the music key of this track. 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.