Soul Music by Terry Pratchett
Finally the dwarf said, 'Are you elvish?'
'You look a bit elvish around the hair.'
'Not elvish at alll. Honestlly.'
'Where are you from?' said the troll/
'Llamedos,' said Imp. He shut his eyes. He knew what trolls and dwarves traditionally did to people suspected of being elves. The Guild of Musicians could take lessons.