Misc: What is the white, winged horse of Greek lore named?

Questions

Tori Amos did a cover of this Nirvana song.?

Tori Amos: Age at which Tori changed her name.?

Tori Amos: Finish the verse: "I've been here, Silent ___ _____ _____."?

Tori Amos: Name the song: "Greg he writes letters, & burns his CDs..."?

Tori Amos: This industrial music artist sang backup vocals on "Past the Mission."?