Are you a music or a words person? That is – are the words or the music more important in a pop song? “To be sure, the music of much rap is minimal compared to, say, a Frank Sinatra ballad or George Martin’s productions for the Beatles. In the eternal roundalay of melody, harmony and rhythm, rhythm has seized the spotlight. But that is merely a reflection of the steady evolution of 20th-century popular music, led by black music, that starts out underground and eventually conquers the mainstream.”