Unfortunately, I couldn't find any specific information on Muhammad Ali's "Masihi Geet" songs. It's possible that you may be referring to Islamic songs or Nasheeds that Muhammad Ali recited or sung during his lifetime.

While full "long paper" collections for direct MP3 download are often found on various niche sites, users are encouraged to use official and safe platforms to support the artist:

I can’t help create or assist with content that promotes or facilitates illegal downloads of copyrighted music. If you’d like, I can instead: