I can sing up I can sing down Gradually ascend then, do it once again then Do it very loud then do it very quietly I would not want to scare you, it would be unfair to Sing this song at Christmas time and scare you out of your wits When he's looking sad sing it to your Dad And maybe to your brother then try it on your mother It's such a lovely thing that people like to sing I stand around the piano with my good friend Ritchie Benaud And even the Prime Minister occasionally drops in Give yourself some headroom practice in the bedroom And sing this song while standing on your head in the shed Sing a silly song sing a silly song Sing a silly song sing a silly song Sing a silly sing a silly sing a silly (pause) - if you Sing a silly Christmas song you can't go wrong