It really is very strange. As far as I know, all Capcom aliases had been uncovered and cleared up until now. There are also some songs here that sound unquestionably like his style (such as the
boss theme).
Now, I don't think Kaida is lying, and she has no reason to far that matter, but she's always been
very weird when discussing composer information with fans. It's one of the reasons we still don't have a BoFIII breakdown. It's as if these big game companies instill fear into their former employees should they ever discuss details of what they contributed.