Money Pink Floyd melody notes,chords , and 3 bass riffs

Strange time this 7/4 and in B minor meaning F# and C# D Major configuration

Bminor pentatonic scale is B D E F# A AND b 2 and 6 are the notes left out , but they both appear in the bass riffs.

Can anyone explain this?

• clive lombari
• darkside of the Moon
• Dave Gilmour
• money
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• pink floyd