Bill Callahan.
Bill Callahan (born June 3, 1966 ) is an American singer-songwriter and guitarist who has also recorded and performed under the band name Smog . Callahan began working in the lo-fi genre of underground rock, with home-made tape-albums recorded on four track tape recorders. Later he began releasing albums with the label Drag City , to which he remains signed today. (...) Smog's songs are often based on simple, repetitive structures, consisting of a simple chord progression repeated for the duration of the entire song. His singing is characterized by his baritone voice. Melodically and lyrically he tends to eschew the verse-chorus approach favoured by many contemporary songwriters, preferring instead a more free-form approach relying less on melodic and lyrical repetition. Themes in Callahan's lyrics include relationships, animals, relocation, nature, and more recently, politics. On the subject of voice in his albums, Callahan has said, "It’s u