Here is a SXSWfm radio show stream, which focuses on indie/pop/surf rock music gems (about an hour long). This is a great way to discover new music.
SXSWfm is the official internet radio stream of the South by Southwest (SXSW) Music Festival to be held in Austin, Texas from March 17-22, 2015. You can listen to recordings of their specialty shows and artist interviews.
Middle Biscuit #18 (3/13/15) – 57 min