Came here to recommend a cool plugin for those who want to look for a nice alternative way to pitch shift vocals/samples in real time as well as vocoding for example.
http://polyversemusic.com/i-wish/The way it works is that it freezes cycles of audio in real time as you output MIDI to it, there's also options for formant shifting and LFO assigning, cool stuff. all for a whopping 99 bucksssss
Some examples that I created in a short time:
