Nicolay made "Hey!" available on September 13, 2005. Hey! is about six minutes long, preciously at 5:57, making this song fairly long compared to other songs. The song is number 9 out of 20 in City Lights Vol. 1.5 by Nicolay. In terms of popularity, Hey! is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Hey! テンポ

The tempo marking of Hey! by Nicolay is Andante (at a walking pace), since this song has a tempo of 93 テンポ. With that information, we can conclude that the song has a slow tempo. This song can go great with yoga or pilates. The time signature for this track is 4/4.

Hey! キー

This song has a musical key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.