cool dog level 12 needs to listen to songs for 3, minutes, and QQ music can reach level 7 in 3 days, which corresponds to level 6 of QQ music. Cool dog level 12 is equivalent to level 7 of QQ music. The rating system of cool dog and QQ music is different. The rating of cool dog is called "Musician" and the rating of QQ music is called "Music Fans".