brainwashed.com: "Much of Rainbow is the next logical step after Boris' fantastic Pink album, there is the same mixture of heaviness and melody but with a greater emphasis on the latter. With Ghost's Michio Kurihara on board there is a greater exploration of what a guitar and an amp is musically capable of as opposed to physically capable of." Read the whole review
brainwashed.com: "Much of Rainbow is the next logical step after Boris' fantastic Pink album, there is the same mixture of heaviness and melody but with a greater emphasis on the latter. With Ghost's Michio Kurihara on board there is a greater exploration of what a guitar and an amp is musically capable of as opposed to physically capable of." 
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