Maybe sometime you can
try that on my INSTRUMENT.
The Big Bang Theory Season 1, Episode 5
The blunt INSTRUMENT
that will be the focus of my murder trial?
The Big Bang Theory Season 2, Episode 9
In a world where a piano is a weapon,
not a musical INSTRUMENT...
The Big Bang Theory Season 4, Episode 3
"Hey, wanna come over to my house
and hear me play an INSTRUMENT...
The Big Bang Theory Season 6, Episode 18
She says, "Do you play
an INSTRUMENT?"
The Big Bang Theory Season 5, Episode 4