South Carolina Public Radio has ten radio transmitters across the state that broadcast one of two formats, News & Talk and News & Music. South Carolina Public Radio also offers live internet streams of each format. The News & Music Format is heard on four stations and focuses on music programs, such as Performance Today, Echoes and Music through the Night. Regional music programs include Carolina Live, On the Keys, and Sonatas and Soundscapes. SC Public Radio's Classical stations include: Charleston: 89.3 FM (WSCI) Charleston: 89.3 WSCI HD1 FM Columbia: 91.3 FM (WLTR) Greenville/Spartanburg: 90.1 FM (WEPR) South Carolina Public Radio was started in 1972 as the "South Carolina Educational Radio Network," a part of South Carolina ETV, the state's educational television agency. At its inception, SC Public Radio focused on producing national music series such as American Popular Song with Alec Wilder. It went on to produce Marian McPartland's Piano Jazz, NPR's longest-running jazz music program, for which SC Radio received a Peabody Award. Though McPartland passed away in 2013, the series continues to be heard in archival form nationwide. Currently, SC Public Radio produces national music the series Chamber Music from Spoleto Festival USA (also heard internationally).