On which street in Mayfair, London is the Apple Corps office of the Beatles? 
Savile Row: Savile Row (pronounced ) is a street in Mayfair, central London. Savile Row:  Known principally for its traditional bespoke tailoring for men, the street has had a varied history that has included accommodating the headquarters of the Royal Geographical Society at 1 Savile Row, where significant British explorations to Africa and the South Pole were planned; and more recently, the Apple office of the Beatles at 3 Savile Row, where the band's final live performance was held on the roof of the building. Apple Corps: Apple Corps Ltd (informally known as Apple) is a multi-armed multimedia corporation founded in London in January 1968 by the members of the Beatles to replace their earlier company (Beatles Ltd) and to form a conglomerate.
Savile Row