The Beatles.

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Across
  1. 2. - Title of a movie and hit song by the band
  2. 3. Pepper - Famous album featuring the band in colorful costumes
  3. 4. - First name mentioned in a famous song about drugs
  4. 5. - First name of one of the band's lead singers and songwriters
  5. 7. - First name mentioned in a hit song about a character "waiting for someone or something to show her the way".
  6. 8. - First name of the band's drummer
  7. 9. - First name of one of the band's lead guitarists and songwriters
  8. 10. - Title of an album featuring hit songs such as "Hey Jude" and "Revolution"
  9. 12. - Color associated with the submarine in a famous song
  10. 13. - First name of John Lennon's wife
Down
  1. 1. - Hit song written by Paul McCartney
  2. 4. - Hometown of the band
  3. 6. it Be - Album and song featuring the band's final recordings
  4. 8. - Song that became an anthem of the era
  5. 11. Road - Famous album and recording studio