EFG's Ultimate Fail. In case you don't know the song they sang int the beginning was Monster Mash by Bobby Pickett.. cl Anonymous C) ( Thu) 19: 31: 31 No. 25015 EFG's Ultimate Fail In case you don't know the song they sang int beginning was Monster Mash by Bobby Pickett cl Anonymous C) ( Thu) 19: 31: 31 No 25015