Hear conductor Daniel Harding lead the Mahler Chamber Orchestra in a program exploring the subtly different properties of the keys of C major and C minor.

Johann Strauss II's Blue Danube Waltz appears in numerous cartoons, including this cherubic 1930 MGM cartoon directed by Hugh Harman.

Listen to Saturday's broadcast of the BBC National Orchestra of Wales playing works by Elgar, Tchaikovsky and Walton. Plus: Hear the daily "Tea Time" pieces from last week on-demand.

WQXR hosts share their favorite memories about Lloyd Moss, the WQXR host who died on August 3.

Listen to the archived broadcast featuring teen pianist Jan Lisiecki in his Proms debut in the Schumann Concerto, with the Orchestra of the Academy of Santa Cecilia, Rome.

This week’s Saturday cartoon features Chopin’s “Minute Waltz” in D-flat, Op. 64/1. Bugs Bunny takes on the popular waltz in the 1955 Warner Brother’s cartoon, “Of Hyde and Hare."

Imani Winds was a novelty when it first arrived on the scene in 1997, a wind quintet that veered away from the customary European classical fare. Now they've reached a turning point.

Beginning today, WQXR expands its reach into central and northern parts of Westchester County on the new WQXW 90.3 FM.

To close the week of all-things Wagner, WQXR brings you the most definitive Wagner interpreters. From 8 am to 7 pm, we offer 12 Wagnerian conductors and performers from various recordings.

Listen to the archived broadcast of the National Youth Orchestra of the U.S. making its London debut at the Proms.

Of course, it wouldn't be Wagner Week without mentioning the 1957 Warner Brothers classic "What's Opera Doc?"

"If Wagner had lived in this century, he would have been the No. 1 film composer," the Hollywood composer Max Steiner once said. Today, we explore some of many film and television appropriations of Wagner's work.

Today we go beyond the "hits" and consider the neglected corners of his catalog, including his overtures, marches, a piano sonata and even a Symphony in C.

The 2013 edition of the Bayreuth Festival opens with a new production of the Ring Cycle that's expected to be as colorful and contentious as anything this annual event has seen.

Written over 26 years, the Ring Cycle takes 16 hours to perform from start to finish. Today, we explore the work's subtleties in greater depth.

For the second day of Wagner Week, we turn our focus to Wagner's innovations -- dramatic, musical, structural and otherwise.

WQXR is focusing the week of July 22-28 on Richard Wagner, that consummate man of the theater who is one of history's greatest – and most controversial – opera composers.

Listen to WQXR's first broadcast in a series of performances from the BBC Proms festival in London. The program includes music by Rachmaninoff, Britten and a BBC commission by Julian Anderson.

Today's Saturday at the Opera is Puccini's Madama Butterfly from the LA Opera, and this week's Saturday’s cartoon features Butterfly's famous aria “Un bel di."