1, DJ is the abbreviation of Disc Jockey, whose job is mainly to play discs, which refers to disc jockeys in nightclubs and other places.

2.MC is the abbreviation of MC, which is generally subdivided into party MC and rap. This is an improvisational and elaborate way to enrich music by chanting or singing.

Pop music show host

It developed with HIPHOP culture and disco. With the development of DJ, the meaning has been completely clear. DJ is just a profession, a technical term. The main club is showing a disc. DJ refers to disc players in nightclubs, bars, livehouses, warehouse parties, music festivals and other places. DJ is not a musical style, but a technical term. If it is regarded as a musical style, it is a misnomer for some kinds of electronic music or dance music.