Mutual Attraction made "Lost Tape" available on January 21, 2015. Since Lost Tape is still less than 10 minute long, it is still considered a pretty long duration song compared to the average song length. This song does not appear to be explicit due to the lack of the "E" tag. Because this song is the only song in Lost Tape and no other songs are present in the album, we classify this track as a single. In terms of popularity, Lost Tape is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Lost Tape テンポ

We consider the tempo marking of Lost Tape by Mutual Attraction to be Moderato (at a moderate speed) because the track has a tempo of 118 テンポ, a half-time of 59テンポ, and a double-time of 236 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.

Lost Tape キー

This song is in the music key of B♭ Minor. 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.