Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:2/4
K:Eb
['z2 E,E, |]: F,2 F, z ||[M:3/4]', 'E,F, E,2 C,C, E, z ||[M:2/4]', 'E,C, B,, z C,2', 'F,E, C,2 B,,B,, B,,4 B,, z E,E,']  
X:1
L:1/8
M:2/4
K:Eb
 z2 E,E, |]: F,2 F, z ||[M:3/4] B,A, G,F, E,F, | E,2 C,C, E, z ||[M:2/4] F,2 E,C, | B,, z C,2 | 
 E,2 F,E, | C,2 B,,B,, | B,,4 | B,, z E,E, :| B,,2 z2 |]  