Develop a musical composition centered around the provided motif while maintaining the appropriate form.
X:1
L:1/8
M:4/4
K:G
['GGGG G2 Bc dedc B2 G2 DDDD', 'dDdD cCcC BB,BB, A2 D2'  
X:1
L:1/8
M:4/4
K:G
 GGGG G2 Bc | dedc B2 G2 | DDDD DEFG | ABAG F2 D2 | GGGG G2 Bc | dedc B2 G2 | DDDD DCB,A, | 
 G,2 G,2 G,2 z2 || dDdD cCcC | BB,BB, A2 D2 | dDdD cCcC | BB,BB, A2 D2 | =FFFF F2 ED | EEGG EECC | 
 DDDD DCB,A, | G,2 G,2 G,2 z2 ||  