Hi,
I have just synced a mono audio track that fits Halloween's 35th anniversary blu ray.
The Source is an old dvd from 2001, with a mono soundtrack which sounds completely identical to what danielpulliam uses in his review/comparison.
The dvd cover from the source
http://www.laserdisken.dk/html/billede.dna?ID=10129190111174529&VIS=forside
pm me if you want a link