A crowd of 5000 people made their way into City Park for the annual and hugely popular free concert.

TSO marketing and communications director Samuel Cairnduff said the night was fantastic.

"It's a wonderful event here in City Park and it's something we look forward to every year," he said.

"It's great so many people came out and had a wonderful night under the stars, the weather was perfect and everyone really enjoyed themselves."

The concert marks the first one the TSO will perform in Launceston this year, with another six concerts planned at the Albert Hall and Princess Theatre.

The night was highlighted by the conducting of maestro Johannes Fritzsch as well as the skilled violin playing of Grace Clifford.

"It's great to have Grace Clifford here with us, she's a wonderful violinist and a very special guest as well as Johannes Fritzsch here too," Mr Cairnduff said.

"We also finished with the can-can and it was great to see everyone get on their feet dancing around and enjoying it."

Mr Cairnduff said to put on an event of this magnitude takes a lot of long-term planning and a lot of hard work by the TSO.

"We introduced ticketing last year, we didn't know how many people were coming before that but we knew it was a lot," he said.

"Now, we're able to gauge that this is such a popular event here in Launceston, and we'll keep coming for years to come."

Mr Cairnduff said 5000 people was the appropriate amount for the event, with infrastructure and other logistical factors taken into account during the planning process.

When compared to performing in an indoor environment, Mr Cairnduff said performing outside is a huge difference with a lot of things the musicians need to take into account.

"To do something outdoors requires a whole lot of different disciplines and infrastructure, skills and we bring that on board and produce the event ourselves," he said.

"It's a big undertaking to do it but we love doing it, it's worth it."