Auto-Tune EFX 2 is the easiest-to-use tool for real-time pitch correction.
With Tune Smithy you can vary the parameters to make them into your own tunes
LyricToy will search for the lyrics of the song you are playing with iTunes.
It is left to your discretion which keywords and phrases you choose to use.
Creating styles, applied in the visual development of the ArtixMedia Menu Studio
