Meine Meinung's '世界の約束' came out on April 8, 2015. With this song being about 5 minutes long, at 4:30, "世界の約束" by Meine Meinung 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 2 out of 3 in Air on the GHIBLI vol.2 Howl's Moving Castle / Arrietty by Meine Meinung. In terms of popularity, 世界の約束 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.

世界の約束 テンポ

The tempo marking of 世界の約束 by Meine Meinung is Andante (at a walking pace), since this song has a tempo of 104 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 3/4.

世界の約束 キー

This song is in the music key of E♭ Major. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.