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you sound slightly out of tune. Check your tuning first.
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You might be tuning the strings correctly on open strings but it could be that by pressing down really hard, you are pressing some notes sharp
-Check what our fellow Community member @brianlarsen illustrated so nicely:
I continued on that, illustrating where you ideally could fret (no disaster if it is a bit futher from the fret). the orange circle is your fingertip
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make sure that you only play the 4 thinnest strings and that you don’t mute.
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try fretting and playing each note of the chord separately to check if you have any buzzing