The group played up their moptop looks and echoed the Liverpool quartet's famous appearance on the show hosted by Sullivan himself in 1964.
This week in 1964, the British invasion of America was complete when ‘Twist and Shout’ went to No. 2 on the Billboard chart and ‘Can’t Buy Me Love’ at No.1.
The 2 February, 1957 edition of The Perry Como Show featured actors Peter Lawford, Tab Hunter, singers Polly Bergen and the Four Lads...and Fats Domino.
On the 9 May, the Beatles incredible run of chart-topping singles came to an end, and the man to replace them was none other than Satchmo, Louis Armstrong.