I'll put all of my requests here for orginizational purpouses.
Well, this isn't really a format support request at the moment, but a format popular in Japan. This deals with first-note sticking SPC being fixed, and that would be with Script700. However, most of this stuff is in Japanese.
The applications are mainly Windows only, but there's an English one. Most are Japanese, though, still.Japanese page for Windows SNES SPC700 Player with English version download
(Windows only)Script700 InformationList of Script700 Players, most in Japanese
(No Mac! Sorry.)
If you get a beta version of this feature up, I'll test this on my Mac, and see if anyone else wants to join in.