A long booming extreme resonating bass note in the key of D.
The strum of a chord on a cello in D.
Latin style riff played on a double bass in D
A harmonic of D note played on electric guitar with a clean tone and small reverb effect.
A Balkans stringed tambura playing a single sustained twangy plucked D note.
light and airy fingerpicked funk guitar rhythm,reverb and phaser, played at 110 bpm key of D
an acoustic guitar play a short melodic loop
A DX7 electric piano chord in D diminished.
An acoustic guitar playing a single D note.
Processed, bowed melodic string