Elton Zarb founded Freetime Productions with the late Dj Presenter Tonio Cardona. He composes, produces and remixes songs both for local and foreign singers. His songs have also been played on a number of local radio stations and foreign one in the UK, Australia, Spain, Germany, Belgium and the Caribbean where two of his songs made it to top the charts. A song of his was also used in the movie Bring it On produced by Universal Studios in 2007.
In October 2013 he composed Ħidmietna, a Musical about the history of the General Workers Union. Brian Bonnici wrote the lyrics and directed it. The musical was premiered on Friday 11 October 2013 as part of the 70th anniversary celebrations of the Union. Two further shows were presented on 12 - 13 October, 2013 at the union's own City Theatre in Valletta.
Elton was responsible for composing and producing the song for Malta's representative in the Junior Eurovision 2013 held in Kiev. The song The Start, sung by Gaia Cauchi, under the guidance of Gillian Attard with lyrics by Matt 'Muxu' Mercieca was the first Maltese song to have won the Junior Eurovision, and brought the festival to Malta for the first time.
Elton was responsible to score the music for the movie Saul; The Journey to Damascus, a joint production by eOne (Canada) and Cittadella Pictures (Malta) directed by Mario Philip Azzopardi.
Elton also wrote the Junior Eurovision 2015 winning song Not My Soul, performed by Destiny Chukunyere.