single "Smells Like Teen Spirit"—like many Nirvana tracks—modulated
between the soft and the thrashing. And Cobain was equally convincing
as he sang the song's mellow chorus and as he screamed its final lines.
It proved to be the group's biggest single and helped take the entire
album to the top of the charts.
Soon, Cobain was being called
one of the best songwriters of his generation. This along with the
rapid rise of the group put pressure on the talented and sensitive
24-year-old. Cobain began to worry about how his music was being
received and how to regain control of a seemingly uncontrollable
future. He had started using heroin in the early 1990s. The drug
provided an escape as well as some relief for his chronic stomach