Ralph Waldo Emerson | Ralph Lauren | Ralph Nader | Ralph Vaughan Williams | Ralph Fiennes | Ralph Steadman | Ralph Macchio | Ralph Bunche | Ralph Bakshi | Ralph Richardson | Ralph Stanley | Ralph McTell | Ralph Ellison | Ralph Jordan | Ralph | Ralph Abercromby | Ralph Molnar | Ralph Records | Ralph Peterson, Jr. | Ralph Klein | Ralph H. Fowler | Ralph Tresvant | Ralph Moore | Ralph Wilson | Ralph Terry | Ralph "Shug" Jordan | Ralph Peterson | Ralph Percy, 12th Duke of Northumberland | Ralph Inzunza | Ralph Darling |
These include his solo recordings of Charles Ives' Concord Sonata and sonatas of Joseph Haydn, vocal music with Jan DeGaetani and landmarks of the 20th century by composers such as Elliott Carter, George Crumb, Ralph Shapey and Arnold Schoenberg.
In the United States and abroad, he has premiered and recorded works of many contemporary composers, including Charles Wuorinen, Milton Babbitt, Elliott Carter, Lasse Thoresen, Gerard Grisey, Jonathan Dawe, Tristan Murail, Ralph Shapey, Luigi Nono, Mario Davidovsky, and Wolfgang Rihm.