 One of Amos' best selling early releases is the five-track "Crucify" EP.Amos' penchant for including non-album B-sides on each of her singles was a major factor in her initial popularity, particularly her cover of the Nirvana song "Smells Like Teen Spirit" from the aforementioned EP, which garnered significant press attention and critical praise.Many of Amos' B-sides are featured on the box set "A Piano