Folk harmony trio Brother Sun's sophomore release, Some Part of the Truth, was the the most-played album on folk radio during April 2013, as it was in March. The Steel Wheels' "Go Up To That Mountain," from the Virginia Blue Ridge Mountain's-based string band's album No More Rain, was the most-played song, according to charts compiled by Richard Gillmann from radio playlists submitted to FOLKDJ-L, an electronic discussion group for DJs and others interested in all folk-based music on the radio. [To view the Top Albums and Songs charts, click on the headline.]