Hiya, Taff. I was around the Manchester scene in the '60's and early '70's, though I didn't go to the Welcome Inn. MSG was my favourite place, and I ran clubs in Altrincham and Hale.I'm answering because of your mention of Bryn. If it is Bryn Pugh, and you manage to make contact, I would love to get in touch again, as we are cousins, and lost touch years ago.
Welcome to the Mudcat, this site is unique, and I'm sure you will get more replies.
Cheers, Bron.