Complex sentence: He felt that in the 2000s, Yankovic's work had gradually declined in quality, but that "Straight Outta Lynwood" displayed "occasional flashes of genius", such as "White & Nerdy", which he praised for Yankovic's rapping ability.
Split into simpler sentences: He felt that in the 2000s, Yankovic's work had gradually declined in quality, but that "Straight Outta Lynwood" displayed "occasional flashes of genius". On such moment that Shetler applauded was, "White & Nerdy", which he praised for Yankovic's rapping ability.