The full version of Music Masterworks includes the voice-to-note feature. This feature allows you to sing into a microphone and have Music Masterworks convert it into notes for you. Also, another similar feature allows you to check the pitch accuracy of your singing against a tune that you select.
If you own Music Masterworks XE retail edition, you can upgrade to the full version of Music Masterworks at a much reduced cost: click here to upgrade from Music Masterworks XE. For a limited time you can upgrade to the full version of Music Masterworks for $10 (the normal retail price is $34.95).