Enquiry
A few fields. A real person reads it and comes back with a price and a date.
Vimeo, YouTube unlisted, Drive, Dropbox, anything we can watch
For example: 8 minutes
A date, or 'no rush'
A search, a newsletter, somebody who told you
What it was made with, what audio already exists, where it is going
No account, no obligation, and nothing is charged before you agree a price.