Knock KnockWho's there?Seoul!Seoul who?Seoul food!Knock KnockWho's there?Seville!Seville who?Seville you play with me?!Knock KnockWho's there?Seymour!Seymour who?Seymour if you open the door!Knock KnockWho's there?Sharon!Sharon who?Sharon share alike!Knock KnockWho's there?Sheila!Sheila who?Sheila be coming round the mountains when she comes...!!