Abdul Qodir Jaelani or known as Dul / AQJ (born in Indonesia, August 23, 2000; age 19 years) is an Indonesian musician who is also a bass of the music group The Lucky Laki, and also a guitar player and singer of the Backdoor music group. Dul is a reliable young songwriter Together with his two brothers, Al and El, Dul joined the Lucky Boys band that was once popular with his hits, I'm Not Superman. The Lucky Man, is a band of 5 brothers Al, El, Dul, Dashel, Raffi. Initially, The Lucky Laki only had three members, namely Al, El, and Dul. Then Dashel and Raffi joined The Lucky Laki in 2010. This formation began to be known when The Lucky Laki appeared in one of the television singing competition events with the name Indonesian Idol. After releasing the song I'm Not Superman and Friends who still have three members, The Lucky Boys released their new song titled Asboys (I Like Together People I Like). Which of course has five members. Over time, Dul began to love Grunge music and he created a Grunge genre called Backdoor in 2013. Initially Dul's position in Backdoor was a bass player and vocalist, after that Dul became a guitar player and vocalist for Backdoor since 2 guitar players (Emyr and Rifo) out of the Backdoor. In 2015, Dul and his brother, El, formed a band called Ahmad Brothers.