当時はプロの作曲家が曲を作り、バンドは演奏するだけというのがあたりまえでした。エルヴィス・プレスリーも、黒人の曲をカバーして歌っていました。
ビートルズの革新性は、大好きな黒人音楽をベースとしながらも、自分たちで作詞作曲をしたことです。徴兵制が終わり、若者が自分の人生を決められる時代が始まっていました。そんな若者たちの等身大を表現した、初めての音楽だったのです。
At that time, it was common for professional composers to write songs and the band simply played them. Even Elvis Presley sang covers of black music.
What was innovative about the Beatles was that they wrote their own songs, even though they were based on their favorite black music. The draft was about to end and an era was about to begin in which young people could decide their own lives. Their songs were the first music that expressed the life-size of these young people.