Today, 2 p.m.: The Jim Cullum Jazz band pays tribute to an icon of classic America jazz, band leader and pianist Count Basie, on "Riverwalk Jazz."

Saturday, 7 p.m.: Fiona Ritchie talks with writer Jamie Jauncey about the role of music in his novel "The Witness," on "The Thistle & Shamrock."

Sunday, 6 a.m.: "Humankind" features author and humorist Loretta LaRoche discussing her perspective on living an optimistic life in our stressful society.

Monday, 6:30 p.m.: Educators and children's authors Peter and Connie Roop discuss the impact of the Internet and graphic novels on young readers on "RealTime."

Tuesday, 8 p.m.: Lorin Maazel conducts the New York Philharmonic in two of his own compositions, "Monaco Fanfares" and "Farewells."

Wednesday, 8 p.m.: Chicago Symphony Orchestra conductor emeritus Pierre Boulez leads the orchestra in "Reflexions," a work Elliott Carter wrote for Boulez's 80th birthday.

Thursday, 9 p.m.: The series "Philosophy Talk" explores "Why Music Matters" with David Harrington, musician and founding member of the Kronos Quartet.