McCartney refers to Paul McCartney, a famous musician and songwriter best known as a member of the legendary band The Beatles. Born in 1942 in Liverpool, England, he played bass guitar and sang many of the group's iconic songs, such as "Hey Jude" and "Let It Be." After The Beatles disbanded in 1970, McCartney continued to have a successful solo career and formed the band Wings. In addition to his music, McCartney is also known for his activism, particularly in animal rights and environmental issues. He has released numerous albums and remains a beloved figure in the music world, inspiring generations of artists and fans alike.