The X-Air/M-Air does not include snippets (like the X32), This parsing tool is a port of the X32 Scene Parser that can be used to create modified scene files which can function like snippets.
ViGiL is supposed to be a platform-independent tool for singing students. In it's final version it should be able to analyze a voice recording (read from audio file or microphone) and compare it to a given score according to melody, rhythm and dynamics.