Olmec colossal heads by Matthew Stirling in 1938 spurred the first archaeological investigations of Olmec culture. Seventeen confirmed examples are known from four sites within the Olmec heartland on the Gulf Coast of Mexico. Most colossal heads were sculpted from spherical boulders but two from San Lorenzo Tenochtitlán were re-carved from massive stone thrones. An additional monument, at Takalik Abaj in Guatemala, is a throne that may have been carved from a colossal head. This is the only known example from outside the Olmec heartland. Dating the monuments remains difficult because of the movement of many from their original contexts prior to archaeological
Modern Sounds in Country and Western Music scene, Charles's white audience grew significantly at concerts. The album was quickly followed by another recording of country, western and pop standards covered by Charles, and recorded in September 1962. "Modern Sounds in Country and Western Music, Vol. 2" was released six months after the first volume and proved to be equally successful, while also earning a gold certification by the following year. Following his tenure with ABC-Paramount, Charles later went on to achieve more commercial success recording country music under Warner Bros. Records throughout most of the 1970s and 1980s. "Modern Sounds in Country and Western Music" received positive