Two deaf guys walk into a bar in Dublin One goes and gets a seat while the other orders two pints. ""That'll be 30 euro please."" Says the barman. ""30 euro!"" says the deaf guy. ""Why is it so expensive?"" ""We've got live music on tonight"" says the barman. ""Oh."" says the deaf guy. ""What kind of music is it? Is it some rock and roll?"" ""No, it's not rock and roll"" ""Is it some Jazz?"" ""No, it's not Jazz"" ""Is it some Pop?"" ""No, it's not pop."" ""Well what is it then?"" asks the deaf g…