In the song "Si Una Vez" by Selena, the singer reflects on a past relationship in which she gave her all and was met with disrespect. She expresses regret for having loved so deeply and admits that she was foolish to think that her love would be reciprocated. She acknowledges that her mistake is in the past and that one day her former partner will regret their actions.

Selena Quintanilla Pérez, (April 16, 1971 – March 31, 1995), known as Selena, was an American Tejano singer. Called the "Queen of Tejano music", her contributions to music and fashion made her one of the most celebrated Mexican-American entertainers of the late 20th century. In December 1999, Selena was named the "top Latin artist of the '90s". In 2020, Billboard magazine put her in third place on their list of "Greatest Latino Artists of All Time", based on both Latin albums and Latin songs chart. Selena has sold around 18 million records worldwide, making her one of the best-selling female artists in Latin music. Selena was shot and killed on March 31, 1995, by Yolanda Saldívar, her friend and the former manager of her Selena Etc. boutiques. In 1995, the United States Social Security Administration ranked the name Selena one of the 100 most popular names for newborn girls, and namesake Selena Gomez acknowledged Quintanilla's influence.