Listen to A Choral Grinder online. A Choral Grinder is an Instrumental language song and is sung by The Fairy Sisters. A Choral Grinder, from the album Nights of Wonder:リラックスした夜のBGM - Lover's Lullabye, was released in the year 2022. The duration of the song is 1:33. Download Instrumental songs online from JioSaavn.