Reznikov made "First Day" available on March 5, 2021. The duration of First Day is about two minutes long, specifically at 2:26. This song does not appear to have any foul language. First Day's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in First Day and no other songs are present in the album, we classify this track as a single. Based on our statistics, First Day's popularity is below average in popularity right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

First Day テンポ

The tempo marking of First Day by Reznikov is Allegro (fast, quick, and bright), since this song has a tempo of 126 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

First Day キー

This song has a musical key of A♭ Minor. Because this track belongs in the A♭ Minor key, the camelot key is 1A. So, the perfect camelot match for 1A would be either 1A or 12B. While, a low energy boost can consist of either 1B or 2A. For moderate energy boost, you would use 10A and a high energy boost can either be 3A or 8A. However, if you are looking for a low energy drop, finding a song with a camelot key of 12A would be a great choice. Where 4A would give you a moderate drop, and 11A or 6A would be a high energy drop. Lastly, 4B allows you to change the mood.