On April 23, 2009, the song "Well… (feat. Mario)" was released by IU, MARIO. The duration of Well… (feat. Mario) is about 3 minutes long, at 3:21. Based on our data, "Well… (feat. Mario)" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. The track order of this song in IU's "Growing Up" album is number 8 out of 16. Based on our statistics, Well… (feat. Mario)'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.

Well… (feat. Mario) テンポ

We consider the tempo marking of Well… (feat. Mario) by IU, MARIO to be Allegro (fast, quick, and bright) because the track has a tempo of 134 テンポ, a half-time of 67テンポ, and a double-time of 268 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Well… (feat. Mario) キー

This song is in the music key of F♯ Major. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.