LS made "hashtag" available on April 18, 2021. hashtag is 2 minutes and 21 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in hashtag and no other songs are present in the album, we classify this track as a single. Based on our statistics, hashtag's popularity is below average in popularity right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

hashtag テンポ

We consider the tempo marking of hashtag by LS to be Allegro (fast, quick, and bright) because the track has a tempo of 149 テンポ, a half-time of 74テンポ, and a double-time of 298 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.

hashtag キー

This song is in the music key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.