Blankass made "Je n'avais pas vu" available on October 17, 2005. With this song being about 5 minutes long, at 4:55, "Je n'avais pas vu" by Blankass 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. The song is number 6 out of 10 in Elliott by Blankass. In terms of popularity, Je n'avais pas vu is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of Je n'avais pas vu by Blankass is Andante (at a walking pace), since this song has a tempo of 99 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.
A♭ Major is the music key of this track. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.