Erin McCarley's 'Hello/Goodbye' came out on 2009. With this song being around four minutes long, at 3:58, 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 Erin McCarley's "Love, Save The Empty" album is number 7 out of 11. Based on our statistics, Hello/Goodbye's popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Hello/Goodbye テンポ

We consider the tempo marking of Hello/Goodbye by Erin McCarley to be Allegro (fast, quick, and bright) because the track has a tempo of 148 テンポ, a half-time of 74テンポ, and a double-time of 296 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.

Hello/Goodbye キー

B♭ Minor is the music key of this track. 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.