From his extremely ramshackle 1990 debut Sewn to the Sky up until 2013’s far more polished Dream River, Bill Callahan – better known for the first half of his career by the alias Smog – managed to maintain a reasonably prolific rate of output. Following a dub remix album in 2014, however, things fell rather silent. Had the man often referred to as the spiritual successor to Leonard Cohen finally run out of ideas after fifteen albums? Well, as it turns out, no – life merely got in the way. As Callahan found himself getting married and fathering his first…