Of all the holidays, none seem to generate more creative musicianship than that of Halloween. This year’s epic spook band is The Marshmallow Ghosts, a super-group of sorts featuring artists from Black Moth Super Rainbow, Appleseed Cast, Casket Girls, and Dreamend. Shrieks is the title of this holiday 7″ on a swirling picture disc and limited print glow-in-the-dark sleeve. Part story, part collection of created sound effects, part eerie ghastly, uncanny music, this is the song to have on repeat as this year’s October 31 rolls around. …