Third, the tastes of the listening public have been widened by an appreciation of each singer's ability. The public is now able to accept more musical styles, and record sales have come to depend increasingly on fitting the right song to the right singer.
無論如何，從唱片的銷售情形看來，一個歌星能否走紅，歌藝的好壞和選歌的恰當與否，仍屬重要關鍵。