Video: Rio Carnival 2013: The Beatles get a Samba makeover Around 50,000 people attended the Sergeant Pepper block party, which celebrated the iconic British band's music with a Samba twist. Singers entertained the crowd from the top of a red "London bus." Meanwhile, percussionists and dancers, dressed in Sergeant Pepper costumes, played traditional Brazilian rhythms. Revellers entered into the spirit of the event with a variety of costumes, and some even chose to dress up as John Lennon and Paul McCartney.