ill Pasternak hosts pianist Christopher O'Riley in this week's Crossover. O'Riley, affable host of From the Top (which will follow today's Crossover program), is also a very busy performer with a wide range of repertoire that includes his improvisations on music of Radiohead, and contemporary keyboard music.

Viva la Diva! Renee Fleming, Kiri Te Kanawa. CultureFiles: Marian Anderson Historical Residence and Museum. Clue:"What makes a good voice, a great voice?"

It's an encore broadcast of a fascinating interview with jazz harpist Carol Robbins. She has recently finished a series of appearances in New York City, and talks to Jill about the complexities and joys of playing jazz harp.

Is global warming naturally occurring, or man-made? WRTI's Jim Hilgen looks into the question.

Temple View is WRTI's daily public affairs program featuring short interviews with newsmakers, authors, musicians, and, of course, experts on various topics--many featuring Temple University faculty members.

This week we look ahead to the opening of the Philadelphia Orchestra's season at the Mann Center for the Performing Arts and speak with new artistic director Rossen Milanov; Jason Peifer visits the Contemporary Stage Company in Wilmington as they celebrate the work of the South African writer, Athol Fugard; We take a look at two dance events opening in Philadelphia this week: Dance Boom! and the New Festival; and in our regular dip into the CultureFiles section at GoPhila.com, Susan Lewis visits Independence Hall.

An encore broadcast of a fascinating hour with cellist Julian Lloyd Webber. His brother Andrew's hit musical Phantom of the Opera is in the spotlight, due to Julian's recording, with violinist Sarah Chang, of a double concerto for violin, cello and orchestra that uses themes from the stage work. Also, Jill spends some time in tribute to the great Shirley Horn.

We visit the Wagner Free Institute of Science in Philadelphia. It's just won a national award for innovation in education for doing things the old-fashioned way! Susan Lewis explores truth, memory, and the murkiness of memoir with artists from this week's First Person Arts Festival. And in our regular exploration of the CultureFiles section at GoPhila.com, Jason Peifer visits the Wilma Theater.

On this week's Creatively Speaking! with Jim Cotter, we listen back to four recent features from the CultureFiles section at GoPhila.com. We'll visit Philadelphia's Civil War and Underground Railroad Museum. Almost thirty years after they created Franklin Court, we take a tour of the 1976 "ghost house" with architects Robert Venturi and Denise Scott-Brown. Susan Lewis visits Camden's Adventure Aquarium and explores Historic Yellow Springs.