Yonics

Los Yonic's (or Los Yonics) are a Mexican pop group formed in the 1970s.

Los Yonic's began playing together in San Luis San Pedro but later moved to Acapulco, playing both tropical pop music and ballads. Their music became very popular among American Hispanics in cities such as Los Angeles, San Jose, Phoenix, Arizona, and El Paso. They had a string of #1 albums on the Billboard Regional Mexican charts in the 1980s, and have continued to enjoy chart success on the American market since.

Reissued 1997 as Aunque No lo Creas on Econolinea, eliminating "El Botoncito", replaced with "En Esta Navidad".

Special album or remastered songs and re-recordings with cuerda real and orchestra

...
Wikipedia