Requirements to Become a Music Critic
“Although there is no formal path to becoming a music critic, several qualities are needed to become an outstanding one. An ability to communicate abstract sounds and emotions successfully is a must, as well as the willingness to write largely for exposure in the beginning. Musical talent is not required, but an understanding of the technical side comes in handy. Since journalism is not always a lucrative field, critics must also consistently find ways to supplement their incomes.”
Emphasis mine.
RockCritics.com 