讃州中学勇者部, Suzuko Mimori, 照井春佳, Tomoyo Kurosawa, 内山夕実, Kana Hanazawa, Juri Nagatsuma's '勇者たちのララバイ - TV size' had a release date set for December 2, 2017. With This song being less than two minutes long, at 1:35, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 勇者たちのララバイ, so we believe that this song is a single. 勇者たちのララバイ - TV size is unknown right now. 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 勇者たちのララバイ - TV size by 讃州中学勇者部, Suzuko Mimori, 照井春佳, Tomoyo Kurosawa, 内山夕実, Kana Hanazawa, Juri Nagatsuma is Andante (at a walking pace), since this song has a tempo of 82 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.
E Major is the music key of this track. This also means that this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.