Ry Cuming, better known by the stage name RY X, is an Australian singer-songwriter and musician. He was the first artist signed to the Stockholm-based label Dumont Dumont.
X was born in Angourie, New South Wales, where he became a surfing boy enthusiast.
In an interview with Entertainment Tonight, X mentioned Pearl Jam and Jeff Buckley as his greatest influences. He started writing music at 16, after he heard Buckley's album Grace. His song "Let Your Spirit Fly" appeared on the soundtrack of the 2006 film Hoot. He moved to Los Angeles, California, where he was signed by Jive Records, releasing his self-titled debut album on 20 July 2010. He briefly toured with Maroon 5, becoming their opening act in select venues.
X won Australia's Dolphin Awards for "Best Pop Song" and "Best New Artist". He has a tenor singing voice. In 2012, he collaborated with Frank Wiedemann to release "Howling". His EP Berlin, released on 28 August 2013, was made available as 12" vinyl and digital. The title track charted in France, Germany, and the United Kingdom. In 2014, X became the lead singer of the band The Acid, which he formed with Los Angeles producer Freeland and Steve Nalepa. They released an album titled Liminal.