...Un Sol

Un Sol (stylized as ...Un Sol), also known as 1 + 1 = 2 Enamorados, is the debut studio album by Mexican singer Luis Miguel. Released in 1982, when Miguel was eleven years old, the album peaked at number two at the California's "Hot Latin LPs".

Four songs from the album were done in Portuguese and released as two different singles in Brazil. According to the Brazilian newspaper A Luta Democrática, the single "1 + 1 = Dois Apaixonados" was certified gold there while the single "Mentira" sold 80,000 copies in the country. The success motivated the label to plan an album by the singer with songs in Brazilian Portuguese.

According to different sources the album sold around 700,000 copies in Miguel's home country, earning a gold and platinum certification there, and one million copies in Mexico alone. In Argentina it sold over 10,000 copies. The single "1 + 1 = 2 Enamorados" sold 750,000 units.