The song heard at the end of Episode 5 of "Moon Knight" is the Spanish-language hymn "Más Allá del Sol," which translates to "Beyond the Sun" in English. The end credits of the episode clarify that the version we hear in "Moon Knight" was arranged and performed by Manuel Bonilla. However, it's possible that the version we hear is one performed by Bonilla and Santiago Stevenson, as it sounds remarkably similar to a version available on YouTube.
"Más Allá del Sol" was originally composed by Emiliano Ponce, a pastor of the Adventist Church in Mexico City (via Historias en Armonía). The hymn is traditionally sung at funerals in Mexico and throughout other Latin American countries, and many viewers on Twitter were incredibly excited to see the song represented on a show as massive as "Moon Knight." Though the song may not completely fit in with the largely Egyptian-focused soundtrack "Moon Knight" has become known for, the song does have a very powerful connection to the ending of Episode 5.
The ending of Episode 5 sees Marc Spector finally reconcile with his alternate personality, Steven Grant, only for Steven to seemingly die a few moments later when he falls into the sands of the Duat. Steven's death finally balances the scales weighing Marc's heart. He is transported to the Field of Reeds, or what we recognize as the afterlife, as the hymn begins to play. Considering the fact that "Más Allá Del Sol" is primarily used to say goodbye to a loved one, and wish them well for their journey "beyond the sun," its use in the episode is an incredibly poignant way to emphasize Marc's grief over the loss of Steven and his traumatic trip into his memories.
