On October 12, 2020, the song "A-" was released by Mickey Factz. A- is 2 minutes and 29 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in A- and no other songs are present in the album, we classify this track as a single. A- is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

A- テンポ

The tempo marking of A- by Mickey Factz is Andante (at a walking pace), since this song has a tempo of 86 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.

A- キー

This song is in the music key of B Minor. This also means that this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.