Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:3/4
K:Amin
['e>B c>B A>^G', '(3f^df e2']  
X:1
L:1/8
M:3/4
K:Amin
|: e>B c>B A>^G | A>B (3cdc (3Bcd | e>B c>B A>^G |1 A2 E4 :|2 A2 A4 |:[K:Emin] B>^d e>f (3gfg | 
 (3aga b>a g>f |1 e>^d e>g f>e | (3^dfd B2 B2 :|2 e>^d e>g (3f^df | e2 e4 ||  