Hi Andrew, Unfortunately, I have no answer to give you but more of a comment/proposal: for the historical and referencing interests, your message (excerpt below) should change the Subject text to something more specific to audio file playing. My 2 cents. ________________________________ De : "hudsonco1@xxxxxxx" <hudsonco1@xxxxxxx> À : haiku-3rdparty-dev@xxxxxxxxxxxxx Envoyé le : Lun 6 décembre 2010, 0h 32min 03s Objet : [haiku-3rdparty-dev] Re: Problem sending/receiving app defined msgs Guys, Thanks for taking the time to think about this. I might as well put some cards on the table. I am working on another article. This one is on pervasive multithreading and how this makes some tasks easier to do in Haiku. [...]