With estimated sales of over 231 million albums worldwide, the Beatles are the best-selling music artists of all time. They released their first album, "Please Please Me", in 1963 and went on to become one of the most influential and successful bands in history. Their music, characterized by its catchy melodies and innovative songwriting, has been enjoyed by generations of fans. Some of their most famous albums include "Sgt. Pepper's Lonely Hearts Club Band", "Revolver", "The White Album", and "Abbey Road".