The phrase "great musician" refers to someone who is extremely talented and skilled in playing or creating music. They are widely recognized and admired for their exceptional musical abilities. Full definition
There are great musicians in town making great entertainment in some restaurants, come to get the best information at the tourist booth. (tomzap.com)
They know that, in order to be a great poet, one must first write poems, that great musicians blossom only after years of practice. (religion-online.org)