On May 22, 2021, the song "Cortex" was released by NBJ Solo, Tae Retro. Cortex is 2 minutes and 21 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Cortex and no other songs are present in the album, we classify this track as a single. Cortex is unknown right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Cortex テンポ

The tempo marking of Cortex by NBJ Solo, Tae Retro is Adagio (slowly with great expression), since this song has a tempo of 74 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

Cortex キー

This song has a musical key of D Major. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.