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131Invision Power Services — articleissues unreferenced=October 2007 tone=October 2007Invision Power Services, Inc. (sometimes abbreviated IPS) is a software company established in February 2002, probably most well known for Invision Power Board. Some other products include… …
132Mathcore — Stylistic origins Metalcore, math rock, grindcore Cultural origins Early 1990s North America Typical instruments Vocals, electric guitar, bass guitar, drums …
