|Age (at audition)||24|
Born in 1994 in Tokyo, Riria Niimura started the recorder at the age of three and the flute at the age of six. Until today, she already won numerous prizes including the Grand Prix at Japan Classic Music Competition twice, Japan Percussion Competition, Maxence Larrieu International Junior flute Competition, Biwako International Flute Competition, in all of which she was the youngest prize winner. Ms. Niimura participated in Rampal International Flute Competition at the age of 13 and she was the youngest contestant. At the Japan Flute Convention Competition, she won the first prize and the Yoshida Masao prize. In March 2009, she took part in the German Flute Festival in Munich, Germany. She also won the gold prize at the World Classic Music Competition in Taiwan and performed at the gala concert of the competition in Carnegie Hall in April 2009.
Ms. Niimura has performed at “la Folle Journee au Japon”, a TV program called “Concert without Title”, to name a few. Since she made a debut with a professional orchestra at the 4th grade of elementary school, she performed with major orchestras in Japan such as Tokyo Symphony Orchestra and abroad. As one of the most sought-after enchanting flutists, Ms. Niimura frequently appears in TV programs and national newspaper/magazines and attracts the audience.
She studied with Sabine Seyfert and Megumi Horii.
She currently studies with James Walker at The Colburn School’s Young Artists Academy from April 2012 with the recommendation of Sir James Galway. 
RiRia's audition in Episode 1404 consisted of playing the flute to Queen's "Bohemian Rhapsody." Although the full verdict was not televised, Simon Cowell and at least one other judge voted "no," eliminating her from the competition.