<a href="http://mdxonline.dyndns.org/archives/nds/" target="_blank" >Infantile Paralyser</a> have released a Nes Sound File player for the Nintendo DS, heres whats in this release:

<BLOCKQUOTE>- But built-in sound source (only APU2A03) correspondence... as for not yet mounting
- The CPU (the MC6502) emulation still imperfect
- Enviroment for software development it is not with additional possibility of the NSF file
- File as for number up to 24. (Omission)
- As for entire capacity of NSF to 256kb. (Once modification yes)
</BLOCKQUOTE>

Download HERE --> http://nintendo-ds.dcemu.co.uk/simplensf.shtml