Minako Yoshida's '永遠に' had a release date set for 1975. With this song being about 5 minutes long, at This song is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in 吉田美奈子 ゴールデン☆ベスト, so we believe that "永遠に" is a single. In terms of popularity, 永遠に is currently not that popular. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.
The tempo marking of 永遠に by Minako Yoshida is Andante (at a walking pace), since this song has a tempo of 105 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
This song is in the music key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.