Between 1966 and 1973, he charted five singles on the Hot Country Songs charts, including the crossover pop hit "Saturday Morning Confusion."

It has a state-of-the-art production that dates instantly, walks the line between crossover pop and country-pop rather clumsly, and lacks good material.

But the music Diego and Mr. Valdés make together is not bland crossover pop; it has a stark, almost ascetic clarity and emotional depth.

It was a crossover pop hit as well, peaking at number 50 on the Billboard Hot 100.

Sometimes, he pushes too hard in either direction, but sometimes Iglesias strikes the right balance between crossover pop and stylish retro-new wave production.

September 26 - Lynn Anderson, top female country singer of the 1970s; best-remembered for her crossover pop smash, "(I Never Promised You a) Rose Garden".

Despite some radio stations banning the song because of its sexually suggestive lyrics, the song became a crossover top ten pop record, Charles' first record to do so.

David Rotheray, the guitarist who writes the Beautiful South's music, borrows heavily from Motown and the crossover pop of Dusty Springfield and Tom Jones.

These include "The Happiest Girl In the Whole USA" and "Funny Face," which both became crossover pop hits in 1972.

The shift was even apparent among female country acts, who for years have been emulating the crossover pop of glitzy stars like Faith Hill and Shania Twain.