Enrique Bunbury's "La felicidad" appears on the 2004 compilation "Bushido," a project uniting Bunbury with Carlos Ann, Morti, and Shuarma. The track exemplifies Bunbury's signature blend of melancholic pop and acoustic guitar, characteristic of his work during the mid-2000s. While often associated with themes of heartbreak, the song's title suggests a complex exploration of joy within the context of his personal narrative. Released alongside other notable tracks like "Lady Blue" and "El tiempo de las cerezas," the recording reflects the emotional depth and lyrical precision that defined Bunbury's discography during this era. The song remains a staple of his catalog, illustrating his ability to craft intimate ballads that resonate with listeners seeking both comfort and reflection.