In China, virtual tipping provides a widespread, legitimate revenue stream for artists. Some think the pandemic will help (finally) normalize the practice Stateside. Andy Bothwell, a Brooklyn-based artist who performs under the moniker Astronautalis, has an online hub that lists links to his music, social media accounts and merch site. But after the coronavirus pandemic cut off the touring income he relies on to pay his bills, he added two new links to the top of the list: His Cash App and Venmo accounts, allowing fans to send him money directly. “I’m curious to see if I keep it there,” he says. His decision is more than a curiosity. As the pandemic has shut down economies across the globe, many artists are asking fans directly for cash — and music companies like SoundCloud and Spoti...