Valerie Series made "En momentos así, es difícil ser optimista" available on November 10, 2004. With this song being around four minutes long, at 3:33, 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 song is number 4 out of 4 in Evita los rincones de la mente que la razón no se atreve a explorar by Valerie Series. In terms of popularity, En momentos así, es difícil ser optimista is currently not that popular. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.
The tempo marking of En momentos así, es difícil ser optimista by Valerie Series is Andante (at a walking pace), since this song has a tempo of 105 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
The music key of this track is D♭ Major. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.