Radio SomaFM - Left Coast 70s you can listen on this page of our site. Station work in genres: Past decades. SomaFM Left Coast 70s. Mellow album rock from the Seventies.. Radio SomaFM - Left Coast 70s has a rating 5.0. Broadcasting country: USA. The station was rated by 5 listeners. Radio SomaFM - Left Coast 70s you can also listen in the FMCUBE app for Android.