Terry Gross

In 2008, jazz pianist Fred Hersch slipped into an AIDS-related coma for more than two months. When he came out of the coma, he couldn't walk, eat or play piano. Hersch explains how he rebuilt himself after his illness and composed music for his latest album, Whirl.

An ongoing investigation by PBS' Frontline, The Times-Picayune and ProPublica examines the many violent incidents that took place between police officers and civilians in the aftermath of Hurricane Katrina. Reporter A.C. Thompson recounts the difficulties of trying to piece together the details.

After writing "We Will Rock You" and touring around the world as the lead guitarist in Queen, Brian May made an unusual career choice: He got his Ph.D. in astrophysics. May explains how Queen developed its distinctive sound and explains his fascination with stereoscopic photographs taken in the 1850s.