It did, have to say the sound system was brill, the banks of speakers either side of the stage were taller than me.
Big base bins with huge speakers on top of them and rows of the larges Horns i'd ever seen at that time.
I think Mary hired them from Road Runner Discos who were Grimsby/Cleethorpes based and hired out equipment, mind you,you needed some wattage to fill the Pier, Was a massive, place, The Blackpool Mecca sound system was very good too, Speakers were built into the ceiling over the dance area if i remember rightly.