Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
M:4/4
K:G
['G G', 'd>cd>e =f2', 'd B2']  
X:1
L:1/8
M:4/4
K:G
 G2 | D D G G B2 A A | G G d d B2 B A | G G G A B2 B A | G G B B d2 c c |"^(a)" d d d2 =f2 f f | 
 d3/2 d/ d3/2 d/ =f2 f f | g g g g d d B G | c3/2 B/ c c d2 || B A |"^(b)" G3 G d3 c | B2 G4 |] 
"^(a)" d>cd>e =f2 f2 | d>cd>e =f2 ff ||"^(b)" G3 G d3 d | B2 G4 ||  