2AM Club, Dev made "Mary (feat. Dev)" available on September 18, 2012. The duration of Mary (feat. Dev) is about 3 minutes long, at 3:09. Based on our data, "Mary (feat. Dev)" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. Because this song is the only song in Mary (feat. Dev) and no other songs are present in the album, we classify this track as a single. On top of that, United States appears to be the country where this track was created. Based on our statistics, Mary (feat. Dev)'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.

Mary (feat. Dev) テンポ

We consider the tempo marking of Mary (feat. Dev) by 2AM Club, Dev to be Vivace (lively and fast) because the track has a tempo of 158 テンポ, a half-time of 79テンポ, and a double-time of 316 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, running, can go well with this song. The time signature for this track is 4/4.

Mary (feat. Dev) キー

A♭ Major is the music key of this track. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.