The Source Code is by Matrixz
Capcom Music Nes to Snes it's basically The Capcom "6C80" Sound Engine on Snes

i don't know of The knowledge of C++

if Someone know's C++ reply

i Will Give Big Credit if Someone Make it
it would be Cool if DarkWing Duck or Wily and Light's Rockboard and or Chip' n' Dale music was ported to Mega Man 7 or Mega Man X

links
http://matrixz127.comoj.com/share/capcom_bgm_nes2snes.zip
And
http://acmlm.no-ip.org/board/thread.php?id=6993 (music conversions to Mega Man X and MM7 (SPC downloads))