#1
does anybody remember the name of this pedal I saw somewhere but didn't write down. it had inputs for both a guitar and a microphone. you could use the pedal to create harmonies on the vocals (it "listened to the guitar" for the key changes) and it even automatically tuned the singers voice if it started going off key.
#2
digitech make a voice synth like that, but i cant remember for the life of me what they call it. its times like these im glad some dude invented google

back momentarily.

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