I also have the tape but no longer have anything to play it on,but who knows record players are coming back for the old records,you tube might be where you could find it ged.
. Came in a very small bottle 200/250 ml ? Haven't seen it for a few years brewed in Alloa I think.I sometimes had the 'Big Whitbread' you mentioned if the draught was iffy (Ushers).