Complex sentence: In 1958, the original soundtrack to "South Pacific" became the second Christmas number one album--staying at the top of the album chart for a total of 115 weeks, it was also number one in 1959 and 1960.
Split into simpler sentences: In 1958, the original soundtrack to "South Pacific" became the second Christmas number one album. Staying at the top of the album chart for a total of 115 weeks, it was also number one in 1959 and 1960.