Despite the challenges facing the music business amid the COVID-19 pandemic, there are some bright spots. On March 20, indie music service Bandcamp waived their revenue share for 24 hours, allowing artists and labels to support themselves even more robustly. Thanks to impressive results ($4.3 million spent on music and merch, 15 times an average Friday’s revenue), Bandcamp will repeat the strategy not once, but thrice: the first Fridays of each month (today, May 1; June 5 and July 3). To share some of the goodwill with our treasured readers, we’re taking…