Can’t answer your question but can add to your list.
Blackpool Casino.
I remember it as quite a big venue with a deejay on a stage playing what became known as Northern Soul.
Outside was a helter-skelter which is still there. Unless memory has slipped.
I still have the membership card if anyone wants to see it.
“I Thank You” was one of my first introductions to Soul Music.
Sam and Dave Prater left a catalogue of songs which can only described as essential.
Their “Soothe Me” was the penultimate song played by Pete Roberts in the revitalised Twisted Wheel building before it was demolished.
Sam Moore RIP.
This obituary appeared in the Los Angeles Times. https://www.legacy.com/us/obituaries/latimes/name/william-jackson-obituary?id=53117239
Is he the June Jackson who recorded on Musette Records?
”You’re Welcome”
Don’t give up on it. Geeselad. You will love it as much as I do. Northern Soul, Deep soul, Beat Ballads. The Rocketeers, Paul Kelly, Little Beaver, The Moovers. Collectors such as Jeff Lemlich and Ken Shipley.
Not to mention Henry Stone.
One of my favourite Soul documentaries featuring Clarke, Reid, Pearsall and Hoss.
Plus artists Helene Smith and Betty Wright and others.
Great stuff from Eccentric Soul.