how do you find out keys based on the chords i dont get it:
im trying to figure out the key for these four chords

but i cant seem to find the right one any help would be appreciated
C Major?

You need to know a little music theory before you can work out keys and stuff. It's not hard to work out, try musictheory.net.
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Squier Precision Bass Special in Antique Burst (LH)
Rotosound Swing 66s, 45-105

On slapping on a bass:
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