"Once" by Glen Hansard, Markéta Irglová was released on May 22, 2007. With this song being around four minutes long, at 3:38, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The track order of this song in Glen Hansard's "Music From The Motion Picture Once" album is number 12 out of 13. In terms of popularity, Once is currently below average in popularity. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Once テンポ

We consider the tempo marking of Once by Glen Hansard, Markéta Irglová to be Moderato (at a moderate speed) because the track has a tempo of 112 テンポ, a half-time of 56テンポ, and a double-time of 224 テンポ. Based on that, the speed of the song's tempo is moderate. The time signature for this track is 4/4.

Once キー

This song is in the music key of D Minor. Because this track belongs in the D Minor key, the camelot key is 7A. So, the perfect camelot match for 7A would be either 7A or 6B. While, a low energy boost can consist of either 7B or 8A. For moderate energy boost, you would use 4A and a high energy boost can either be 9A or 2A. However, if you are looking for a low energy drop, finding a song with a camelot key of 6A would be a great choice. Where 10A would give you a moderate drop, and 5A or 12A would be a high energy drop. Lastly, 10B allows you to change the mood.