7th Dimension made "Nostalgia" available on October 7, 2017. Nostalgia is explicit and may not be suitable for children. With the duration being about 3:54, this song is close to the average duration of a typical track. Because this song is the only song in Nostalgia and no other songs are present in the album, we classify this track as a single. Based on our statistics, Nostalgia's popularity is unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Nostalgia テンポ

With Nostalgia by 7th Dimension having a テンポ of 140 with a half-time of 70 テンポ and a double-time of 280 テンポ, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the テンポ of this song, this song might go great with jogging or cycling. The time signature for this track is 4/4.

Nostalgia キー

D Major is the music key of this track. 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.