BK's 'Lightweight' had a release date set for August 30, 2018. Lightweight is 2 minutes and 1 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Lightweight and no other songs are present in the album, we classify this track as a single. In terms of popularity, Lightweight is currently below average in popularity. Although the overall vibe is very danceable, it does project more negative sounds.

Lightweight テンポ

We consider the tempo marking of Lightweight by BK to be Moderato (at a moderate speed) because the track has a tempo of 117 テンポ, a half-time of 58テンポ, and a double-time of 234 テンポ. Based on that, the speed of the song's tempo is moderate. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Lightweight キー

B♭ Minor is the music key of this track. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B allows you to change the mood.