Write a musical work incorporating the specified theme and letter-based framework.
X:1
L:1/8
M:4/4
K:Amix
['(3Bcd e>a (4:3:4eaag e3 c d>cB>A B>cd>f', 'c2 c>A']  
X:1
L:1/8
M:4/4
K:Amix
|: (3Bcd | e>a (4:3:4eaag e3 c | d>cB>A B>cd>f | e2 a>g e>^de>f | g>fg>d B>A :| A>B | 
 c>Ac>A d>cd>B | c>Ac>A c>ea>e | c>A (3cBA d>c (3def | e>cA>c (3BcB AB | c2 c>A d2 d>B | 
 c2 c>A (3cde e>f | g>ba>g e2 z3/2 f/ | g>fg>d B>A A2 ||  