EW.com asks and answers eight lingering (and burning) questions about the 2009 Oscars, including why Phillip Seymour Hoffman was wearing a stocking cap on a 75-degree, Southern California day.

Other interesting questions…

What was the motivation behind having five former winners introduce this year’s nominees in each of the acting categories?

Where was Jack Nicholson?

Was Beyoncé lip-synching during the musicals medley?

Who is Sato Masuzawa, the woman Sean Penn called his ”best friend” in his acceptance speech?