Talk about the various music competition programs in Korea.

Many Korean people are talented singers. Most people have a go-to song that they like to sing. Because singing is so popular, there are many music competition programs. They are a big chunk of entertainment programs on TV these days. In one program, amateur singers impersonate famous musicians. Some are so good that even experts are fooled. In another program, people wear masks to hide their identity. After they sing, others try to guess who they are. It has a tournament format. There is another show where top singers compete against each other. The audience votes for the best performer. The show puts a new spin on songs that are already well-known to the public. These programs are all big hits these days.