EastNewSound's 'Proof of River' came out on August 15, 2009. Since Proof of River is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. The track order of this song in EastNewSound's "Lucent Wish" album is number 9 out of 12. On top of that, Japan appears to be the country where this track was created. Based on our statistics, Proof of River's popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Proof of River テンポ

We consider the tempo marking of Proof of River by EastNewSound to be Allegro (fast, quick, and bright) because the track has a tempo of 143 テンポ, a half-time of 72テンポ, and a double-time of 286 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Proof of River キー

B♭ Minor is the music key of this track. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.