There are two distinct and equally eerie worlds that collide in “Island Universe.” One of torn stockings, smeared lisptick, bombed out motels, and murderous-looking glass shards. Another of crystalline swimming pools, happy goldfish, stylish furniture, and sunny streets. One of gritty garage rock. Another of sweetly sung lullabies. Is that a metaphor for Feeding People’s music? Or is this a collection of disconnected images coyly spliced together? Find out tonight, the last night of the band’s month-long residency at The Echo. Enjoy your goldfish smoothie.