Engraving is the practice of incising a design onto a hard, usually flat surface by cutting grooves into it.
Come Together  is a song by the Beatles written by John Lennon but credited to LennonâMcCartney.
'I am the Walrus' was banned by the BBC for the 'let your knickers down' line. 'Come Together' was banned by the BBC due to a commercial reference (Coca Cola) 'The Ballad of John and Yoko' recieved limited airplay in the USA due to the constant repetition of 'Christ' as an exclamation.