named "DJ of the Year Runner-Up" and won the "Best Dance" award. On May 10, 2020, John Walter, The Chief Tabulator of votes for The DJ of The Year Award passed away from complications with COVID-19. Developments A number of books have been written about the business, and by furthering their education at trade shows and seminars, mobile DJs have gained a positive public perception. In the 1970s Mobile DJs were averaging $350–500 per four-hour event; now a wedding reception can cost between $800–2,500 per event, with the national average being around $1,038. While many club disc jockeys still use traditional vinyl records, many mobile DJs also currently use compact discs, computer-based files (such as MP3s), or a combination of sources. In addition, professional-grade equipment created by a variety of companies expressly for the mobile DJ industry has allowed for faster set-up and break down times and improved quality of performance.<ref name="Graudins, Charles A. 2004">Graudins, Charles A. "How to Be a DJ. Boston: Course Technology PTR, 2004.</ref> With the advance of in-home sound systems, the audience expectation level of sound and lighting shows for concerts, conventions, and weddings has increased. LED technology is the most recent light show technology incorporated by the trade. A large selection of music, professional-grade equipment, good organizational skills, vocal talent as a Master of Ceremonies, mixing skills, quality lighting, insurance for liability, and on-site back-up equipment are typical of the expectations customers have when hiring a mobile DJ. Suggestions for hiring mobile disc jockeys include requests for referrals, approximate age of equipment, level of insurance, contract terms and fees, and provision of electrical sources. Many mobile DJs also promote themselves as event planners, organizers, and master of ceremonies (MC). They work closely with their customers, guests, and the event's other vendors (e.g. venue staff and photographers/videographers) to provide quality entertainment that fits the event in terms of style and performance. This increased role in event planning has been facilitated by the emergence of sweet sixteens, popularized by the MTV reality show, My Super Sweet 16''. Today's mobile DJs are tasked with putting together major productions for these events, which require customization in every element of “her big night”. As huge as the demand for qualified teen-event DJs is, the equipment list to bring a full production on the road for a successful event is more than most can afford. With large-screen video, fog, light up