1) The document analyzes British and American English through the lyrics of rock bands from the 20th century like The Beatles, The Beach Boys, The Queen, KISS, Iron Maiden, and Guns N' Roses. 2) It argues that studying only British English in school is not enough to understand rock texts, as American English has influenced rock music as well. 3) The conclusion is that to fully comprehend rock lyrics, one must study both British and American English versions effectively.