Crossword puzzle clue "plumber seen in an arcade"

Plumber seen in an arcade

Something the plumber's never seen before?

You might get them for having seen an Arcade Fire show before they were signed to a label

Spiro who wrote, "If you've seen one city slum, you've seen them all"

Springsteen "If you've ever seen ___ trick pony then you've seen me"

Feeling that you've seen something before seen something before

"If you've ___ seen a one-trick pony, then you've seen me"

"If you haven't seen ___, you haven't seen New York" (old ad slogan)