"Mexico" is the title of a 1961 instrumental recording by American bassist, orchestra leader, and Rockabilly Hall of Fame member Bob Moore.
Moore was a noted session musician in the 1950s and 1960s who worked with Elvis Presley, Pat Boone, Roy Orbison, and Brenda Lee, among others.
The song peaked at #7 and spent ten weeks in the Top 40.
Moreover, it reached #1 on the Easy Listening chart, remaining at the top for one week in October 1961.
[1] Outside the U.S., "Mexico" was a #1 hit in both Australia and Germany, and it sold over two million records worldwide.