Where do the synth sounds come from? That is the question to open with, because the hooks half your guests are waiting for were played on keyboards, and four people with guitars and a drum kit will leave a hole exactly where the song is supposed to lift. A band might answer with a keyboard player, or with a prepared layer running underneath what they play live, or by choosing a setlist that avoids the problem. All three are honest. Silence is the tell.
This is a short list for a city that takes its live music seriously, so enquire with several bands on the same day rather than waiting on one. If nothing lands, the cover band and party band pages here carry Newcastle groups who play plenty of the same decade under a broader label.
Top picks are the acts in this category in Newcastle, without a review, rating or premium ranking: all these sort keys are tied.
Head count does the heavy lifting, then the hours, then whether the group brings a full sound system and lights or uses whatever the room has. Going from four players to six is two more professionals and a bigger rig behind them, which is most of any gap you see. The figures beside each Newcastle listing here are current, so ask what size lineup each one assumes before you put two side by side.
Any group working the rooms around here carries the Australian pub rock of the period, and in front of a Hunter crowd those songs regularly get the loudest response of the evening. Read down each song list looking for the home-grown names among the imported ones. If most of your guests grew up in this part of the state, ask the band to weight the set that way.
Think of it as three settings and pick one on purpose: black shirts and the music, a gesture towards the era with a jacket and some colour, or the whole wardrobe including the wigs. That last setting is terrific when the invitation asked everybody to dress up, and it leaves four musicians looking marooned when nobody did. Say what the room will be wearing and let the band pitch themselves to it.
Pull up footage of a group singing one of the era's enormous choruses. Those melodies were written high and a voice either reaches them in a live room or audibly does not, which no photograph will ever tell you. Watch the crowd in the shot as much as the stage, then ask which Newcastle and Hunter rooms they work, because a group used to club sound handles a hired hall very differently.
Big guitar choruses and electronic dance floor material make two very different evenings, and most rooms lean hard one way without anyone being able to say so out loud. Get an actual setlist, not a genre label, and read three songs off the top of it.
Newcastle players move between groups and stand in for one another constantly, which is normal and not a warning sign. Just confirm the singer, since a replacement voice changes the night more than any other swap does.
Every licensed room has its own hour at which the amplified music has to end, and a few of the Newcastle venues are tighter about it than you would guess. Have the venue put that time in writing, then buy however many sets fit inside it.