A disc jockey, more commonly as DJ.
It is a person who hosts record music for an audience.
The most common types of DJs include radio DJs, club DJs, who perform at a nightclub.
Or music festival, and turntablists who use record players, usually turntables.
To manipulate sounds on phonograph records.
Originally, the "disc" in "disc jockey" refers to vinyl records, but nowadays.
DJ is used as an all-encompassing term to also describe persons who mix music from other recording media.
Such as cassettes, CDs, or digital audio files on a CDJ or a laptop.
The title "DJ" is often used by DJs in front of their real names, adopt pseudonyms, or stage names.
DJs use audio equipment that can play at least two sources of record music simultaneously.
And mix them together to create seamless transitions between recordings and develop unique mixes of songs.
Often, this involves aligning the beats of the music sources so their rhythms and tempos.
Do not clash when played together and to enable a smooth transition from one song to another.
DJs often use specialize DJ mixers, small audio mixers with the crossfader.
And cue functions to blend or transition from one song to another.
Mixers are also to pre-listen to sources of record music in headphones.
And adjust upcoming tracks to mix with currently playing music.
DJ software with a DJ controller device to mix audio files on a computer instead.
Of a console mixer. DJs may also use a microphone to speak to the audience.