John Prine, an internationally acclaimed and revered singer-songwriter who died April 7 at the age of 73 from complications of the coronavirus (COVID-19), was the top artist and had both the top two albums (The Tree of Forgiveness and John Prine), as well as seven of the month’s top 10 songs, on folk radio during April 2020. So say charts compiled by Folk Alliance International based on radio playlists submitted to FOLKDJ-L, an electronic discussion group for DJs and others interested in folk-based music on the radio. [The monthly top albums, songs and artists charts are posted on AcousticMusicScene.com, with permission. To view them, click on headline.]