For “Ride of the Valkyries!” BLO Mashes up Wagner, other Great Arias, American Musicals and More at the SoWa Power Station on Nov. 12 

Boston Lyric Opera’s Ride of the Valkyries! – a loving send-up of Richard Wagner’s “The Ring Cycle” that marries a “Ziegfeld Follies”-inspired take on the classic German opus with opera’s greatest arias, American Songbook classics and more (plus voiceover narration by Emmy and Tony Award winner David Hyde Pierce) – premieres in a one-night-only performance Nov. 12 at the SoWa Power Station in Boston’s South End. Valkyries! is the humoro