Final answer:
The illusion of a live performance by a musical artist can be created using Virtual Reality. This technology generates a 3D environment simulating a live concert, which differs from other technologies like Multitrack recording, Auto-Tune, and Sampling.
Step-by-step explanation:
The technological innovation by which a musical artist can create the illusion of a live performance is achieved by the use of Virtual Reality (D). While Multitrack recording allows for recording multiple instruments or voices separately to create a cohesive track, and Auto-Tune is used to correct pitch in vocal performances, neither is specifically designed to simulate a live performance. Sampling involves reusing portions of a sound recording in another recording, which also does not inherently create the illusion of live performance.
However, Virtual Reality can be used to simulate a live concert experience by creating a three-dimensional, computer-generated environment which can be interacted with in a seemingly real or physical way through the use of special electronic equipment. Artists can also employ computer-generated animation, like motion capture technology, to enhance the experience and make it appear as though they are performing live when they are not actually present.