When Grohl first started the band, its music was often compared to that of his previous group, Nirvana. Grohl acknowledged that Nirvana singer/guitarist Kurt Cobain was a major influence on his songwriting. Grohl said, "Through Kurt, I saw the beauty of minimalism and the importance of music that's stripped down." Foo Fighters also utilize Nirvana's technique of shifting between quiet verses and loud chorus, which Grohl said was influenced by the members of Nirvana "liking the Knack, Bay City Rollers, Beatles, and Abba as much as we liked Flipper and Black Flag, I suppose". Writing and recording songs for the first Foo Fighters album by himself, Grohl wrote the guitar riffs to be as rhythmic as possible. He approached the guitar similar to how he approached playing a drumkit, assigning different drum parts to different strings on the instrument. This allowed him to piece together songs easily; he said, "I could hear the song in my head before it was finished." Once Grohl assembled a