[2] The album features drums played by Thomas Walling, who filled in for regular drummer Jason Rullo after he temporarily left the band for personal reasons.

"Smoke and Mirrors" cites Johann Sebastian Bach's Mass in B Minor (Kyrie eleison) (1749) in the instrumental interlude after the second chorus.

"[3] Robert Taylor at AllMusic gave Twilight in Olympus three stars out of five, saying that "The band is as tight as ever and their sound is still predominantly neo-classical, but there is more diversity and originality here than ever before."

Praise was given to Michael Romeo for establishing a unique guitar tone, strong sense of rhythm and memorable riffs.

"Through the Looking Glass" was likened favorably to "The Divine Wings of Tragedy" from the band's 1997 album of the same name, while "Sonata" and "Lady of the Snow" were also listed as highlights.