Note Ab

Ab
E string, 4th fret
445EADG

Ab: little finger on the E string, 4th fret

The fifth Eb (pearl dot with the 5): A string, 6th fret – one string higher, two frets further. Root and fifth in turn: that’s the simplest bass line.

Ab all over the neck

EADG12345678910111211614

E string, 4th fret · A string, 11th fret · D string, 6th fret · G string, 1st fret

Other notes

Ab as the root note