Despite having an impressively prolific career behind him, after the long gap between Bill Callahan’s last two albums – 2013’s Dream River and 2019’s Shepherd in a Sheepskin Vest – you’d be forgiven for not expecting a follow up any time soon. But the fact that the latter record was a 20-track double album should have been an ample warning that after taking some time away to get married and have a child, the songwriting floodgates had well and truly reopened. And so we find that, just a year on, we have Gold Record in our midst – his seventeenth…