Craft a piece of music that integrates both the suggested theme and letter-based structure.
X:1
L:1/8
M:3/4
K:Eb
['e2 f4']  
X:1
L:1/8
M:3/4
K:Eb
 c2 | c4 B2 | c4 B2 | (A F3) G2 | F6- | F4 e2 | f4 e2 | d3 c B2 | e2 f4 | c6- | c4 e2 | f4 e2 | 
 d4 cc | F- F3 G2 | A4 GF | (B2 c2) d2 | e3 d c2 | (B A3) G2 | F6- | F4 ||  