"Si Tú No Vuelves" (English: "If You Don't Come Back") was first released in 1993 as the lead single for Miguel Bosé's studio album Bajo el Signo de Caín.

"Si Tú No Vuelves" was first released in Italy and it was recorded by Gustavo Celis in Panama.

The song was a success in Italy and Spain, reaching at 2 on the chart and certified gold in the latter.

[6] Miguel Bosé and Ha*Ash performed "Si Tú No Vuelves" for the first time at the "Festival de Viña del Mar" on February 20, 2018.

[7] On November 11, 2018, they appeared on Auditorio Nacional, and also performed "Si Tú No Vuelves".