Campbelltown sits far enough out that Sydney's inner-city acts fall outside the ring, and that changes what you get. Most of the list below is based in Campbelltown itself, in Camden and Liverpool, or across in the Sutherland Shire at Engadine, Sutherland and Gymea. What the Macarthur area has in real depth is singers: solo vocalists, wedding singers, and the duos and cover bands built around them.
That suits the parties this part of Sydney actually throws. Backyard engagements, club functions, big family fiftieths where a cover band doing an 80s set gets the whole room up. If you're set on a string quartet or a full show band, widen the search to Sydney or Wollongong. For a singer with a guitar, or a duo for a wedding, you'll do fine right here.
Top picks are the nearby performers with the most visible reviews, then rating, then the closest; further afield the closest come first, and premium listings break remaining ties. Distances are straight-line from Campbelltown. Ask each act whether they travel to your venue and what that costs.
You'll be quoting from the Sydney pool for that, because the Macarthur ring doesn't hold string players in any numbers, and a Sydney quartet will add travel for the run down the M5 or the Hume. The price then follows the hours and whether they play the ceremony only or stay for the drinks. Check the Sydney page for the from-prices quartets are showing, and ask each one plainly what Campbelltown adds.
It varies more than you'd expect. Acts from the inner west and the south treat Campbelltown as an ordinary drive, while an act from the northern beaches may add a fee for the hour and a half each way. The Shire and Liverpool acts already on this page are the ones with no travel in the quote, so get one of those alongside any Sydney quote and compare.
Most of the local singers and duos will, and for a lot of them Bowral, Mittagong and the properties out past Picton are the closest thing to a country run they get. Expect a travel line and a set finish time, since it's an hour up the Hume and back after pack-down. The cover bands with the bigger rig are the ones to ask carefully, because a van full of gear on a wet winter road is a different job.
The cover bands doing 80s sets are what the local clubs have run on for years, and for a big family party that's still the safe pick. A DJ is the cheaper option and easier in a smaller room, but you'll be picking from a thinner local set, so ask early. For a mixed-age room, a singer for dinner and a DJ after is the combination that works.
Engadine and Sutherland look close on a map, but the Shire acts reach Campbelltown by the M5 and Heathcote Road, and the late run home matters to them on a Saturday night. Ask whether they treat Campbelltown as a local gig before you compare quotes.
A good share of the local bands sell themselves on 80s sets, which is fine if that's the brief. If your crowd is younger, say so up front and ask how far the setlist reaches into the last decade.
A solo singer or a duo is usually the most affordable live music you'll book, and the local supply is deep on exactly that. Put one on the ceremony and the canapes, then spend the rest of the budget on the band or DJ for the dance floor.