best buy

In past decades, deejays and music critics helped shape musical trends. Today, many music industry executives agree, the big boxes have become the new tastemakers. Even as compact disc sales fall, their choices dictate which CDs are widely available on store shelves across the U.S. Big boxes are the industry’s biggest distribution channel — and the rock, hip-hop, jazz and classical music titles they choose not to carry face drastically reduced chances of reaching mass audiences.