Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
M:4/4
K:G
['G>AB>d (3cBc d>B G>AB>d c2 B>c', '(3de^f g>be>a g>fd>e (3fga g>e f>dc>A G>AB>d']  
X:1
L:1/8
M:4/4
K:G
 D>F | G>AB>d (3cBc d>B | G>AB>d c2 B>c | d>gf>a g>fd>c | B>GD>E =F>DC>E | G>AB>d (3cBc d>B | 
 G>AB>d c2 B>c | d>gf>d c>AF>G |1 A>GG>F G2 :|2 A>GG>F G>AB>d || g>d (3Bcd =f>cA>d | 
 g>d (3Bcd =f2 (3de^f | g>be>a g>fd>e | (3fga g>e f>dc>A | G>AB>d (3cBc d>B | G>AB>d c2 B>c | 
 d>gf>d c>AF>G |1 A>GG>F G>AB>d :|2 A>GG>F G2 ||  