Hi,
in 2005 I programmed a little tool (31 KB-exe) to decode and extract all musics (*.mus), sounds (*.sel) and speeches (*.svl) from the adventure game Toonstruck:
http://home.arcor.de/tomysoft/download/ToonRipper.zip
@john_doe: If you are interested, I could upload the source, but it is written with PureBasic, a basic like language.