Assemble a musical composition that combines the featured motif and conforms to the defined alphabetical form.
X:1
L:1/8
M:2/4
K:G
['dg fd ee d2', 'G2 Be e/^d/c/B/ e/f/g/a/ fB bb/g/ aa/f/']  
X:1
L:1/8
M:2/4
K:G
 dg | fd ee | d2 ce | Bd Bc | BG dg | fd ee | d2 c/d/e/c/ | Bd cA | G2 :: Be | e/^d/c/B/ | 
 e/f/g/a/ | fB bb/g/ | aa/f/ gg/e/ | B2 bb |"^tr" g2 aa |"^tr" f2 a/g/f/g/ | eg f^d | e3 |]  