Wiktionary
piece of the action
n. (context idiomatic English) A portion of the monetary gains or other benefits produced by some venture or activity; a share of participation in a venture or activity.
Wikipedia
Piece of the Action
Piece of the Action is the second single by pop group Bucks Fizz, the follow-up to the Eurovision-winning song " Making Your Mind Up". It was released in May 1981 and became a UK top 20 hit.
Piece of the Action (Meat Loaf song)
"Piece of the Action" is a single by Meat Loaf released in 1986. It is from the album Bad Attitude.