[O]f hyperactivity as a child, Kurt Cobain was medicated much of his young life. He had to take medicine to concentrate on school, and medicine to go to sleep at night. It's no surprise that he became addicted to drugs later in life. Despite his many personal problems, Cobain had an uncanny ability to write catchy radio tunes. As the leader of Nirvana, Cobain helped usher into the mainstream the music that spoke for a generation of kids that were disenchanted with hippies, and yuppies. Playing the guitar from the age of 14, he knew right away that he could express his feelings of loneliness and frustration through the instrument.