Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
M:4/4
K:Amin
['', 'AB cBAB dBAB', 'b2 ge efge']  
X:1
L:1/8
M:4/4
K:Amin
 AB |: cBAB dBAB | edBA B2 AB | cBAB dBAB | ABBA B2 AB | cBAB dBAB | edBA B2 AB | cBAB dBAB |1 
 ABBA B2 AB :|2[K:E] eBfB gBaB |: b2 ge efge | fB d/d/d fgaf | b2 ge efge | fBdf efga | 
 b2 ge efge | fB d/d/d fgaf | b2 ge efge |1 fBdf e2 f/g/a :|2 fBdf e2 AB ||  