Melody One

A four-measure rhythm-guitar progression with a two-note guitar melody above it.

Rhythm guitar

4/4 time. Each box is one measure; each chord shown takes one beat.

Measure 1

CDGG

Measure 2

CDGG

Measure 3

CEmFF

Measure 4

FFFF

Second guitar

Play the two listed strings together over each rhythm chord.

Over CB string, 8th fret + high E string, 8th fret G + C
Over DB string, 10th fret + high E string, 10th fret A + D
Over GG string, 12th fret + B string, 12th fret G + B
Over EmG string, 9th fret + B string, 8th fret E + G
Over FG string, 10th fret + B string, 10th fret F + A

Melody guitar tab

The chord names underneath show what the rhythm guitar plays. Timing and strumming are intentionally left open.

   Measure 1          Measure 2          Measure 3          Measure 4

e|--8---10----------|--8---10----------|--8---------------|------------------|
B|--8---10--12--12--|--8---10--12--12--|--8---8---10--10--|--10--10--10--10--|
G|----------12--12--|----------12--12--|------9---10--10--|--10--10--10--10--|
D|------------------|------------------|------------------|------------------|
A|------------------|------------------|------------------|------------------|
E|------------------|------------------|------------------|------------------|
    C   D   G   G      C   D   G   G      C   Em  F   F      F   F   F   F

Working note

I charted measure 3 as one beat of C, one beat of Em, and two beats of F. That matches the pattern you described and lands naturally on the full measure of F.