House producer Romanthomy, who sang on Daft Punk's smash hit 'One More Time', reportedly passed away at his home in Austin, Texas on 7 May.
There is currently no confirmation on the cause of death of the singer, whose real name is Anthony Moore, and who released his debut album 'Romanworld' in 1997.
She wrote: "Thank your for your calls and prayers, my brother was a musical genius."
As well as lending his vocals to Daft Punk's 2000 number two single 'One More Time', he also collaborated on the elusive DJ's 'Discovery' album track 'Too Long'.
Romanthony launched his career as a producer in New Jersey, and ran his own label Black Male Records in the early 90s, Sterogum reported.
Meanwhile, Daft Punk have finally released their long-awaited new album 'Random Access Memories'.
And the French house duo have proved their eccentricity has not deserted them in the eight years since their last outpouring.
Robots and a giant bunny have turned up for the launch of their latest album in a tiny Australian town called Wee Waa.