Question: Which documentary series included an episode discussing the album including songs composed by Gedy Lee and Alex Lifeson with lyrics by Neil Peart telling a story set in a dystopian future?
Sentence (from "2112 (song)"): Since 1997, when any parts of the song are performed live, they are transposed down one full step, as heard on every live album and DVD from "Different Stages" forward.
Relevant evidence: No