Friday, January 30, 2009

Disc Jockey

A disc jockey also known as DJ or deejay is a person who selects and plays recorded music for an audience. There are several types of disc jockeys. Radio DJs introduce and play music that is broadcast on AM, FM, shortwave, digital, or online radio stations. Club DJs select and play music in a bar, club, disco, at a rave, or even in a stadium. Hip-hop disc jockeys select, play, and create music with multiple turntables, often to back up one or more MCs.
In reggae, the disc jockey is a vocalist who raps, toasts, or chats over recorded rhythm tracks while the individual choosing and playing them is referred to as a selector. Mobile disc jockeys travel with portable sound systems and play at a variety of events. The role of selecting and playing recorded music for an intended audience is the same for every disc jockey. The selected music, the audience, the setting, the preferred medium, and the level of sophistication of sound manipulation are factors that differentiate the various DJ types.
Using several turntables, CD players, or a hard-drive source, a club disc jockey selects and plays music in a club setting. The setting can range anywhere from a neighborhood party or a small club to a disco, a rave, or even a stadium. The main focus of club DJs is on the music they play and how they mix tracks in and out, sometimes just to add a bit of energy to a track. They build their sets by choosing tracks to control the energy level of the crowd and use beat mixing techniques for seamless transitions between tracks. For more information, see Notable Club DJs.
Several techniques are used by DJs as a means to better mix and blend recorded music. These techniques primarily include the cuing, equalization, and audio mixing of two or more sound sources. The complexity and frequency of special techniques depends largely on the setting in which a DJ is working. Radio DJs are less likely to focus on music-mixing procedures than club DJs, who rely on a smooth transition between songs using a range of techniques.

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