A downtempo romantic soul pop ballad, the track portrays a traditional storyline in which a man goes through the conclusion of a relationship, paying tribute to what he calls a lasting love.

He composed songs for various artists,[2] and in 1987, music producer Emilio Estefan received a demo tape of Secada and was impressed by his potential for success.

[4] Secada also composed six tracks for her album Into the Light (1991), two of which, "Coming Out of the Dark" (1991) and "Can't Forget You" (1991), peaked at number one on the US Billboard Hot 100 chart.

[1] Brennan and Koppelman traveled from New York City to London to watch Secada perform at Wembley Stadium, where Gloria introduced him.

[9] Faced with concerns about a scarcity of original material, Secada sensed the urgency to swiftly demonstrate to record executives his artistic essence.

[10] While writing several songs, Secada became aware that the lyrics he was penning reflected a dearth of profound emotional connections in his life.

Initially desiring a platonic relationship, the singer gradually developed an attraction to her, finding her European charm immensely alluring.

[a] Lyrically, it depicts a conventional narrative where a man experiences the end of a relationship, giving homage to an enduring love.

Flick described it as an elegant piece where Secada demonstrates a commendable vocal range and strength comparable to Michael Bolton while avoiding unnecessary bravado.

[15] Chuck Taylor, also from Billboard, expressed the view that Secada had a revolutionary impact on top 40 radio in the 1990s with "Just Another Day", "Angel", and "If You Go" (1994), likening it to a blowtorch on the airwaves.

[16] Jan DeKnock of Chicago Tribune named "Angel" as their pick song of the week, calling it an alluring track.

[28] Billboard's Chuck Taylor opined that Secada exerted significant influence in both the Spanish and English markets with "Just Another Day", "If You Go", and "Angel".

[30] Charles Runnells of The News Press, called it a romantic hit single that, along with "Just Another Day", enhanced Secada's music sales.

A review in El Siglo de Torreón noted that the audience was captivated by his performance, highlighting the song's role in his success in the country.

[23] During his performance of "Angel" at the O'Keefe Centre in March 1995, Ira Band of the Toronto Star, described Secada's rendition as a display of his husky tenor vocal range, with a lack of restraint that bordered on acrobatic Olympic proportions.

[43] On April 7, 1995, Secada performed "Angel" and dedicated it to Selena, who was shot and killed a week earlier, at the Cynthia Woods Mitchell Pavilion in The Woodlands, Texas.

Deborah Walker of the Sun Sentinel, observed that Secada's performance exuded audacious confidence, showcasing his agile falsetto on "Angel" and "Mental Picture".

While Walked noted that Secada did not perform with grace, she acknowledged that he delivered the necessary power that these ballads required, consistently evoking cheers from fans.

[51] It provided Secada the second number-one single of his career, following "Otro Dia Mas Sin Verte" (1992), and spent six weeks atop the chart.

[58] The Spanish version peaked at number six on the Billboard Latin Pop Digital Song Sales chart, in the week ending March 19, 2011.

[65] Following the success of the Spanish versions of "Just Another Day" and "Angel", the label decided to release an all-Spanish-language album for Secada.

Initially, Secada had no plans to record in Spanish, but Emilio decided to test, "Just Another Day" and "Angel", to see how well they performed in Latin markets.

[68] Secada became a popular recording artist as a result of "Angel" and "Otro Día Más Sin Verte",[69] and found success with those songs in the early 1990s.