I'll have your number or 3642 Sheet music for the piano and lyrics titled 'I'll have your number' Or '3642' (4 pages total). The cover has an illustration of a man wearing light trousers with a stripe down the outside seam, a dark jacket with the number 3642 written on the back in white, black shoes and a top hat. He is also holding a small sword. the illustration is in the centre and takes up most of the room. the title is written at the top.