This key is usually disliked by trumpet players and soloists due to the difficulty associated with fingering and improvising in it

"Innocent Love, Satisfaction with the current state of affairs. Optimistic. Belief in Heaven and reuniting with lost loved ones. Youthful and cheerful. Trusting in the spirit of the divine."

This key is one that sees frequent use on the "bridges" of songs in jazz, with it most often being used as a brief interlude before the song returns to a different key. I've noticed this in both simple and complex songs!