 
 <prompt> Wetin be di opposite of professional singer? Based on di question wey dey above, write something wey get di answer. E fit be 1 - 20 sentences. Context: <response>: As di economy and di middle class dey expand, e dey get plenty amateur musicians. One way wey dis show na how women, wey dey involve more for music for social level. Women don dey do professional work as singers, and dem dey increase for di amateur performers' scene, especially with keyboard music. Music publishers don start to print music wey amateurs fit understand and play. Di majority of di works wey dem publish na for keyboard, voice and keyboard, and chamber ensemble. After dem popularize dis initial genres, from di mid-century, amateur groups begin to sing choral music, wey come become new trend for publishers to make money from. As people dey study fine arts more, and get access to amateur-friendly published works, e make more people dey interested for reading and discussing music. Music magazines, reviews, and critical works wey dey suit amateurs as well as connoisseurs begin to show face. 