For musicians who cannot afford to promote songs, downloadable MP3 files provide a way around the steep barriers to entry for media publicity, and as such are a good means of increasing name recognition, publicizing information about performances, and expanding their audience.
對於沒錢打歌的創作樂手來說，MP3 突破了媒體宣傳的門檻，反倒是提高知名度、傳播演唱訊息、擴展聽眾群的好機會。