Craft a musical composition by incorporating the provided motif and the alphabetical representation of the given sequence.
X:1
L:1/16
Q:1/8=180
M:2/4
K:G
['BA GFGB d2d2 cBce', 'z2 (3def']  
X:1
L:1/16
Q:1/8=180
M:2/4
K:G
|: BA | GFGB d2d2 | cBce d4 | GFGB d2dd | cA z2 z2 BA | GFGB d2d2 | cBce d2 (3def | g2gd efdc | 
 BG z2 z2 :: (3def | g2g2 f2>d2 | gggg f2<d2 | g2gg fgag | fd z2 z2 (3def | gagg f2dd | efeB d2BB | 
 cdcA Bedc | BG z2 z2 :|  