Not sure if it was on or more mob-tops playing the wrong note/chord that formed this brilliant opening chord or that it was actually build up this way.
What ever the (hemp fumed) case may be here is the famous chord deconstructed (courtesy of Randy Bachman)

12str: F chord with a pinky-G on top and a G in the bass
6 str: Dsus4
bass: D

Hard Days Chord Deconstruct

Giordano, wat een held

Since i've been loving you

Heartbreaker cor 1

klinkt ineens wel erg authentiek met zo'n gong er achter.

Lemonintro

klinkt ineens wel erg authentiek zo met een gong er achter

Lemonintro1

By Steeler, a Whole Lotta Led Zeppelin. Live in Radiostudio WOS

Dazed & Confused

Steeler, a Whole Lotta Led Zeppelin Live at the WOS

Babe I'm Gonna Leave You

Steeler, a Whole Lotta Led Zeppelin Playing The Ocean. Live at the WOS

The Ocean

steeler, a whole Lotta Led Zeppelin Live at the WOS

Luca Giordano 4