Restorationist Eric Grayson, also known as “Dr. Film,” is working on restoring the 1929 Mascot part-silent/part-sound serial King of the Kongo (starring Walter Miller and Boris Karloff). The serial has long been missing the soundtrack for its talking portions–some of which, however, still exists separately from the film print, having been recorded on disc. Eric is working on reuniting all that remains of the soundtrack with the best possible print; his latest update is here:
The Files of Jerry Blake 