[Haskell-cafe] Newbie Question

Hello everybody! I am quite new to haskell programming. I am trying to make a gui for a drumming project made in euterpea and I want to do something like this :

b <- button f [text := "Run!" , on command := (test mambo_orig)] "test mambo_orig" is executed from ghci but I want It to be able to execute each time the user presses the button.

Hope I didn't mess it up in the explaination, Giannis Chionidis