Electric Light Orchestra – Showdown (1982, Vinyl) - Discogs
45cat - Electric Light Orchestra - Showdown / Daybreaker [Live] - United Artists - USA - UA-XW842-Y
Showdown / In Old England Town (Boogie No2) by Electric Light Orchestra (Single; Harvest; 5C 006-05 458): Reviews, Ratings, Credits, Song list - Rate Your Music
Jeff Lynne Song Database - Electric Light Orchestra - Showdown song analysis
ELO- Showdown - YouTube
ELECTRIC LIGHT ORCHESTRA “Showdown” 45 NM! | eBay
The Electric Light Orchestra - Showdown - austriancharts.at
Hear ELO's 'Showdown' in New Michelob Ultra Super Bowl Ad