Final answer:
Many rock music artists chose to lip sync to recordings during television appearances to ensure a perfect audio presentation, a practice that became common with the rise of music television.
Step-by-step explanation:
Recordings became so important in rock music that many performers would lip sync to the recordings of their songs on television rather than perform them live. This practice allowed artists to provide a flawless audio experience during television appearances and music videos, though it also sparked debate about the authenticity and artistic integrity of live performances. The trend became particularly prominent with the advent of music television and the increasing importance of visual representation in the music industry.