The pxtone format is a specific format of the module tracker '[[Deflemask Tracker].

'[#[Tools]
- '[[Deflemask Tracker]

'[#[Restrictions on submit]
 The entry must be saved in the .dmf format 

'[#[Accepted file format]
.dmf

'[#[Playback (for voting)]
Use '[[DefleMask Tracker]  for playback.

'[#[Render to MP3]
You can export the song to .wav. Covert this to an mp3 however you want.