I think people who create and write it actually does flow-just flows from into their head into their hand and they write it down. It's simple.
Sir James Paul McCartney (born 18 June 1942) is an English singer-songwriter, multi-instrumentalist, and composer. He gained worldwide fame with the rock band the Beatles, largely considered the most popular and influential group in the history of pop music. After the band's break-up, he pursued a solo career and formed the band Wings with his first wife, Linda, and Denny Laine.
Enjoy the best Paul McCartney picture quotes.
Read more about Paul McCartney on Wikipedia.