On Jan. 7, 2022, the Boston Guerrilla Opera premiered the animated film “Rumpelstiltskin,” which will be followed by the Jan. 14 release of the Navona Records album “Rumpelstiltskin.” “Rumpelstiltskin” features music by Marti Epstein, a libretto by Marti Epstein and Greg Smucker and animation and shadow puppet direction by Deniz Khateri; the work, which is sung in English, lasts 55 {…}