River

After more than 20 years singing the female lead in Wagner's 'Tristan und Isolde,' soprano Nina Stemme is retiring the role. As she tells Melinda Whiting, it wasn't hard to say goodbye — though her longtime Tristan, tenor Stuart Skelton, admits to some sadness. Hear their exclusive interview with WRTI, before hearing their electric performance on The Philadelphia Orchestra in Concert.

Join us on Saturday, Aug. 30 at 12:30 p.m. as The Philadelphia Orchestra in Concert offers a complete concert performance of Richard Wagner’s opera Tristan und Isolde, featuring two sterling headliners who, as Yannick Nézet-Séguin puts it, “have virtually owned these roles.”

Scrawled in pencil on a scrap of yellow legal paper by lyricist E.Y. "Yip" Harburg, the artifact is among dozens of treasures from The Wizard of Oz donated by composer Harold Arlen's sister-in-law Rita Arlen.

NPR's Scott Simon speaks to renowned bassist Pino Palladino and guitar virtuoso and producer Blake Mills about their second full-length collaboration, "That Wasn't a Dream."

In a new album, the youngest ever Van Cliburn winner puts his own stamp on Tchaikovsky's undervalued set of piano pieces called The Seasons.

This week's Moment's Notice sees a continuation of the Club Patio Jazz Day in Fort Washington, a special visit from South Africa by the Bokani Dyer Trio, a free concert by the Stanley Clarke Band in Camden and more.

Under the Surface represents a creative breakthrough for pianist and composer Sumi Tonooka. She made the suite for the Alchemy Sound Project, inspired by the underground network that nourishes trees, and serves as a sustaining model.

On the new album Woodland Songs, Jerod Impichchaachaaha' Tate and the Dover Quartet collaborate on music with deep American roots.

For Leonard Bernstein, a dog was always man's best friend. So it's only fitting that the conductor's birthday falls next to National Dog Day — a prompt to consider some lively music Bernstein composed with particular pooches in mind.

Meet 16-year-old organist Layla Joshi, a rising junior at William Penn Charter School in Philadelphia and a participant in the chamber music program at Temple Music Prep's Center for Gifted Young Musicians in Philadelphia, PA.