Dark Spring Boston Festival returns to Central Square with a one-day lineup of moody, goth-tinged electro rock outfits. Imagine a room full of Winona Ryders from Tim Burton’s original “Beetlejuice.” Artists include dark disco mavens Ex-Hyena, darkwavers Pilgrims, NYC surf goths Stare Away and more. Additional satellite events include a Spirit Hotel record release show at The Middle East on Thursday and a livestreamed Dark Spring Boston Preview on Wednesday via eMpTyVeeTV.