A disc jockey or DJ is a professional person mainly one trained in the mixes recorded tune for an audience.
In a club, wedding ceremony and events disc jockey or DJ sound system used to play music for audience. Some techniques are used by DJ's as a means to excellent mix and mixed up pre-recorded music.
In India DJs are generally used in ladies sangeet party, marriage ceremony, birthday party, reception and special occasion. In Jaipur, Delhi, Hyderabad, Bangalore, Chandigarh, Ludhiana, Pune etc. there are many different types of DJ sound system shops. They provide DJ equipment for rent on occasions.