Catalyst: Acoustic Ecology Lab

“Catalyst” explores the importance of listening and how the environment and our hearing are intertwined.

WATCH: See more from season 2 of “Catalyst”

Sponsor message:

In this segment:

Garth Paine, Sabine Feisst, Kyle Hoefer

Sponsor message:

American Experience “Roberto Clemente”

Roberto Clemente warming up to bat

“Roberto Clemente,” a documentary about an exceptional baseball player and committed humanitarian who challenged racial discrimination to become baseball’s first Latino superstar.

Walt Richardson

Walt Richardson playing guitar and singing into a microphone on the set of Playlist 48

Singer/songwriter Walt Richardson visited Arizona PBS to perform and talk about his love for guitar and performing.

GianLuca Moldovan

GianLuca Moldovan plays the guitar

Moldovan joined us in the Arizona PBS studios to play his songs "Glycerine" and "The Madeliene," and chat about his musical background.