I bought their Drumr-Tamr. Works great unless you turn it up too high.

Scott Dorsey wrote:

In article kkZnb.17394$5c2.7405@okepread03, wrote:

Is there a device that will correct vocals to pitch during real time
singing?


Grass Instruments makes a number of electric shock devices. Putting one
on the performer's genitalia and pressing the button when he or she
dramatically leaves standard pitch will have a very salutary effect on
maintaining correct notes.
--scott