Compose a musical piece by utilizing the given alphabetic form and motif.
X:1
L:1/8
M:4/4
K:Emin
['AF FA B2', 'BA B2 e fg af |1 ecA']  
X:1
L:1/8
M:4/4
K:Emin
|: EB Bc ecA | F2 DFG AB | EB Bc A2 B |1 AF FA B2 G :|2 AF FA B2 A |: B2 ef gag | f2 e fB BA | 
 B2 e fg af |1 ecA GA Bc :|2 ecA BA GF ||  