Mr. Sun, the CEO of a certain group, accidentally turned on a certain FM and heard a song in his spare time. Unexpectedly, the more he listened, the more he listened. So he made up his mind to learn the song. After that, he sang it to six secretaries in the office group every day. At first, the six secretaries found it annoying, but then they became obsessed with Mr. Sun. How should Mr. Sun choose?
Intention: The roommate's sudden idea of singing every day