The phrase "to attract new audiences" means to bring in or gain a larger number of people who are interested in what is being presented, performed, or sold. Full definition
Big dealers even do everyone a favor, by attracting new audiences to art and making things happen within the gallery. (haberarts.com)
You've attracted a new audience with your videos and converted the right visitors into leads. (blog.hubspot.com)
These whistles may signal the call at hand to attract new audiences for this museum, which was closed almost three years for its redo. (adobeairstream.com)