Otinashi's 'in heat.' came out on January 19, 2022. The duration of in heat. is about two minutes long, specifically at 2:13. This song does not appear to have any foul language. in heat.'s duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in in heat. and no other songs are present in the album, we classify this track as a single. The popularity of in heat. is currently not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

in heat. テンポ

We consider the tempo marking of in heat. by Otinashi to be Vivace (lively and fast) because the track has a tempo of 160 テンポ, a half-time of 80テンポ, and a double-time of 320 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, running, can go well with this song. The time signature for this track is 4/4.

in heat. キー

This song has a musical key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.