A Brisbane social choir event is going digital to bring positivity to those socially isolated due to the spread of coronavirus.

"Couch Choir" has been organised to replace Pub Choir events that have been cancelled because of the disease.

Pub Choir started in Brisbane in 2017, and was created by music teacher and event director Astrid Jorgensen who tried to find a way to get her old friends together for a singalong.

It turned into a phenomenon and every month has attracted hundreds of strangers to come together and learn low, medium and high harmonies to record a popular song.

Ms Jorgensen said the widespread ban of events meant more than 12,000 tickets for Pub Choir events had been cancelled.

She said the couch event was born out of her own self-isolation measures after returning from the United States.

"I was feeling a bit down because I can't sing with other people in the way I want to," Ms Jorgensen said.

"There's so many people feeling isolated at the moment — it's really sad.

"It got me thinking — our singing voices still work.

"It's just we can't be near each other, and Couch Choir is a solution to that."

Pub Choir director Astrid Jorgensen decided to create the couch singalong to boost spirits. ( Supplied: Jacob Morrison @jcbmrrsn )

For the Couch Choir event, three videos of different harmonies will be released tonight with participants encouraged to record themselves singing at home.

On Thursday, the videos will be collected and mixed together into a video that will be released at a later date.

Ms Jorgensen was in the United States recently to conduct Pub Choir events at the annual South By Southwest (SXSW) music festival in Austin, Texas.

But the fast-changing situation in the US forced the cancellation of the events.

Ms Jorgensen said she drove six hours to Los Angeles airport to catch a fight home, arriving back in Australia on Sunday.

"We were so concerned about getting home," she said.

"To be in the United States in the last 48 hours … it felt like things were very quickly getting out of hand."

Ms Jorgensen said she has been tested for COVID-19 and is awaiting the results.

"I will never take for granted again the safety of home in Australia and how good it is here."