"___ has left the building" (phrase at the end of a certain rock show)

• Rock-'n'-roller whom Forrest Gump supposedly met
• The King (subject of four "sightings" elsewhere in this puzzle)
• "The Pelvis"
• Singer with an eponymous 1956 #1 album
• 1956 million-selling album
• Tupelo hero
• Presley or Costello
• Ed Sullivan guest of 9/9/56
• 50's-60's singing sensation

Wikipedia Word definitions in Wikipedia
Elvis (also known as Elvis – Good Rockin' Tonight ) is an American TV series about the early life of Elvis Presley . The show aired ten episodes on ABC in 1990 before its cancellation due to low ratings. These ten episodes, along with three unaired episodes, ...