If you want to use the SBK file in your own MIDI files, use a MIDI editing program and create a controller fill for the duration of your song on the track you want with 0 and a value range from 3 to 3. Please note that the meow sounds are not in the list of instruments, so you'll need to select the following instruments for the sound you want to use on the track that you performed a controller fill on.
|Acoustic Grand Piano||Meow 1|
|Bright Acoustic Piano||Looping Purr|
|Electric Grand Piano||Purr Part 1|
|Honky-tonk Piano||Purr Part 2|
|Rhodes Piano||Meow 2|
Enjoy MIDIs with meows!! :-)
All you need to do is run SETUP.EXE from MS-Windows.