define : alice
  methods
    (appearance)
       narrate @{
         Smoke rises from Alice's skin, auburn eyes glow eerily.
         Her dress is woven from the wood, of moss and trees and thorns.}

    (give-performance foo)
       speak @{
         Hello friends, hello lovers, hello ghosts of the past.

         I'm so @emph{pleased} that you've chosen to join us
         today for our performance.  Allow me to begin... ahem...

         @singing{
           Tonight it's true, tonight it's blue...
           The stars, the sun, they know it's you...
           Could you say tonight, could you say so bright...
           What could it be...
           @softer{Oh what could it be...}}}

      applause  ; the audience loves it!

      speak @{Thank you, thank you one and all!}