In August 2003, Leung performed the same movement with the Pittsburgh Symphony Orchestra with conductor Lucas Richman in Heinz Hall.

[15] On 2 July 2004,[16][17] the video he and a friend had created of him performing songs from the Super Mario Bros. series blindfolded debuted on eBaum's World and later appeared on other websites.

His performances were reviewed and mentioned in the New York Times, Wired,[23] Deseret News,[24] G4TV,[25] San Diego Union Tribune,[26] the Boston Phoenix,[27] among others.

Leung gave his first live all-video-game-music piano recital at the Alamo Drafthouse Cinema in Austin, TX in 2005.

[28] He was also featured in NPR’s song of the day for the recording of "Mario Solo Piano Medley" for Video Games Live album.

[29] In March 2007, at the Game Audio Network Guild Awards, Leung performed Super Mario music with Koji Kondo and Shigeru Miyamoto in attendance.