This video captures a demonstration of Yamaha's singing robot HRP-4C.
HRP-4C is a humanoid robot. It has has the appearance and shape of a human being, can walk and move like one, and interacts with humans using speech recognition .
This peformance features the robot "singing" through the capabilities of Yamaha's Vocaloid voice-synthesizing software. The software synthesizes vocal performances based on sequenced melodies, typed text and vocal libraries of sampled singers.
Handled automatic tuner gets you in key and keeps an eye on yr strings