The document lists popular songs from 1949 to the early 1970s, organized by year. It provides the song titles, artists, and in some cases links to videos. Over 25 years of music history is summarized, from early hits like "Some Enchanted Evening" and "Mona Lisa" to the rise of rock artists like Elvis Presley, Chuck Berry, and The Beatles in the 1950s-60s. The list also reflects the transition to new genres like soul, funk and punk in the late 1960s and 1970s.