Here you can post any covers of Aimer songs that other bands or artists have come out with!
The band Goose House (known for Your Lie in April OP1, "Hikaru Nara") has done a couple covers of Aimer songs on their YouTube channel, including 蝶々結び (Chouchou Musubi) and more recently, Ref:rain! Links below. I really like the Ref:rain cover, with the looper used throughout. It gives a different but also cool feel to the song!