Tohji, Loota, Mechatok made "echo" available on August 4, 2021. echo is explicit and may not be suitable for children. With the duration being about 3:41, this song is close to the average duration of a typical track. Because this song is the only song in echo and no other songs are present in the album, we classify this track as a single. The popularity of echo is currently below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

echo テンポ

The tempo marking of echo by Tohji, Loota, Mechatok is Vivace (lively and fast), since this song has a tempo of 160 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.

echo キー

This song has a musical 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.