Construct a musical composition following the given alphabetical structure and incorporating the specified motif.
X:1
L:1/8
Q:1/4=120
M:6/8
K:Amin
['uE ABA ABd (e/^f/g)uB uA2 uc BAB', 'uA2 u^g va2 vA ABA a2 A']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:Amin
"^Scotch Jig." uE | ABA ABd | (e/^f/g)uB uA2 uc | BAB GAG | BAB GAB | cBc dcd | ede ua2 ug | 
 edB ABd | ve2 vA uA2 |] u^g | va2 vA ABA | a2 A A2 ^f | g2 G GAG | BAB GAB | cBc dcd | ede a2 g | 
 edB ABd | e2 A A2 |]  