After the Beatles topped the bill at the Gaumont in Bradford, they sped away to their overnight hotel. Word went round that it was the Raggalds pub at Queensbury and crowds of fans headed in that direction. It wasn't. It was a place just outside Halifax then called the Cavalier Country Club, now known as Holdsworth House hotel.

There are previously unpublished photographs from that visit in Small Town Saturday Night, a new book about the Halifax Music scene in the 1960s written by Trevor Simpson, 65 - one-time disc-jockey, former professional football referee, retired manager of the Abbey branch in Halifax and a huge enthusiast for the local music scene during those vibrant years.

"No-one has previously chronicled what was happening musically in Halifax during that period," says Trevor, whose specialist subject hails from further away (he writes a regular column for Essentially Elvis magazine).

Small Town Saturday Night runs from the year Rock Around the Clock played in Halifax to the washed-out Krumlin Festival of 1969.

Trevor's knowledge of the West Yorkshire pop scene is encyclopaedic. He can tell you, for instance, that comedian Johnnie Casson was a member of Halifax groups the Teenbeats and Avengers before joining The Cresters in Bradford.

That Cliff Richard and the Drifters were the first act booked to launch the Halifax Odeon as a concert venue, with the backing group changing their name to the Shadows before their appearance there.

That Dusty Springfield made her first solo appearance at the Odeon after leaving The Springfields.

That the wrestler Big Daddy, properly known as Shirley Crabtree, ran one of Halifax's three dance halls and had links with the 2Is coffee bar in London, which was why so many big names came from the capital to what was a relatively small town.

And that the Bradford girlfriend of Ray Davies of the Kinks broke the news of her pregnancy to him when the group were appearing at Halifax, the very day before their hit You Really Got Me Now went to the top of the charts!

Trevor's 200-page illustrated book is being launched at a special event at Harvey's department store in Halifax next Thursday.

Copies will be available at £15 from Fred Wade's Bookshop, Rawson Street, Halifax - call (01422) 354400 - with all profits going to Calderdale Hospital Radio, of which Trevor is president and founder.

A further volume is planned, based on the dance-hall culture.

For that, Trevor is keen to get hold of any photographs of a Queensbury/Baildon group initially known as The Blood Group who changed their name to The Accent and made three singles, copies of which he says are now selling at around £250 each.