From Taylor Dayne to stools across a floor, Tig Notaro is a unique comedian who finds the sublime, understated absurdity inherent in every facet of life, no matter how small stakes it might seem on the surface. In the 2010s, Notaro was hit with a horrific number of personal tragedies, and she cathartically used the pain as inspiration for an instantly iconic, spur-of-the-moment comedy album called Live, and a wonderful Amazon series called One Mississippi. Her latest project is a delightful bolt of silliness, and the perfect skewering of talk show tropes: Under a Rock with Tig …