Thursday Morning Riddle

U.S. Congress has two; while a judge will have one;
Human hearts contain four; there are six in a gun;
I’m a pot used to piss; indoor music for fun;
And the place where a gas execution is done.

Who am I?

UPDATE: Riddle solved by Asher. See comments for answer.

2 Responses to “Thursday Morning Riddle”

  1. Asher Says:

    Chamber

  2. Bill Says:

    CHAMBER is correct. Way to go, Asher!

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