HOT FM 91.3 Deejays Adam Piperdy and Gerald Koh, better known as Boy Thunder, crossed the world record mark for longest marathon show on radio, after deejaying for 77 hr and 11 min hosting the live radio show in a glass booth outside Plaza Singapura. In the record attempt from 20-23 Mar 2013, they were only allowed a 5 min break for every hour of work.