sentences:  In addition, High Performance highlighted a variety of eminent artists including Erich Leinsdorf, Arthur Fiedler, Leontyne Price, Vladimir Horowitz and the Guarneri Quartet.In 2000, Nathaniel Johnson was nominated for a Grammy Award for Best Historical Album as Producer of a 94-CD set, "The Rubinstein Collection" for RCA Red Seal Records.In 2001, Johnson created an innovative web-based, multimedia music education program titled "Music Matters" for Northeastern University in conjunction with the university's student Cooperative Education program.