The Royce Twins release their second original song called "Brave" to Australian Radio on 22 June 2015  The Royce Twins release their third original song called "Fly" to Australian Radio on 12 November 2015  The Royce Twins continue to perform live and in 2017 began recording their next release. The Royce Twins release a new EP called "4 Years" on 20 October 2017. "4 Years" features five new original tracks written and performed by Gabriel and Michael, including 'Picture Perfect', 'Shade Of The Moon', 'Falling', '4 Years Ago' and 'Nightmare'   Gabriel Saalfield released the first Royce Twins original during their crowd funding campaign on their website for those people who had lost someone at Christmas. The name of the song is "Suzie Royce" and it's set to appear on their Debut EP. In June 2014, The Royce Twins are preparing to release their Debut EP. The release includes five tracks. Four of the tracks are original song recordings, 'Heartstings', 'Brave', 'Fly' and 'Suzie Royce'. The fifth track is "I won't give up" by Jason Mraz and Michael Natter. On 22 September 2014, The Royce Twins released their first original song to Australian radio called "Heartstrings". On 13 February 2015, The Royce Twins' release a surprise single and video on Valentine's Day called "Heartstrings Unplugged". On 10 April 2015, The Royce Twins' release "We Will Be the Rain", a single to remember those who have and continue to serve in our defence forces. On 12 May 2017, The Royce Twins "We Will Be the Rain", forms a part of the Big Fuss Records Compilation, Songs of Service II. On 21 October 2017, The Royce Twins released a new EP called "4 Years" that contains five new tracks written and performed by them. On 3 April 2020, The Royce Twins released a new single called "Black Lace". The song is described as an 'upbeat sexy rock track'. "I Won't Give Up" their "XFactor" audition performance charted on the Aria Charts entering the top 100 at number 35. The Royce Twins debut EP, charts at No.20 on the 100% independent singles chart published by AIR. In August 2014, The Royce Twins received over 4.4 million views of their "X Factor" audition. That's twice as many as the winner of the series they appeared with (Dami Im).