Invent captivating melodic motifs that merge with the given chord progressions.
'G', 'D', 'G', 'G', 'D', 'C', 'D7', 'G', 'D', 'G', 'D', 'A7', 'D', 'C', 'Am', 'G', 'G', 'C', 'D7', 'G'  
X:1
L:1/8
M:6/8
K:G
|:"G" GBB dBB | GBB g2 B |"D" FAA dAA | FAA f2 A |"G" GBB dBd |"G" gdg bgb"^I" |"D" afd"C" e/f/gB | 
"D7" Agf"G" g3 ::"D" (f/g/a)f (f/g/a)d | (f/g/a)f a2 d |"G" bag"D" fdf |"A7" eA^c"D" d2 B | 
"C" cee"Am" caa |"G" Bdd Bgg"^I" |"G" bgd"C" (e/f/g)B |"D7" Agf"G" g3 :|  