"Lifeline" by The World I Knew was released on July 31, 2020. Lifeline is explicit and may not be suitable for children. With the duration being about 4:13, this song is close to the average duration of a typical track. Because this song is the only song in Lifeline and no other songs are present in the album, we classify this track as a single. Based on our statistics, Lifeline's popularity is below average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Lifeline テンポ

We consider the tempo marking of Lifeline by The World I Knew to be Allegro (fast, quick, and bright) because the track has a tempo of 143 テンポ, a half-time of 72テンポ, and a double-time of 286 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Lifeline 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.