Produce a musical work that intertwines the supplied melodic theme and the indicated alphabetical pattern.
X:1
L:1/16
M:2/4
K:D
['DF A2DF', 'B2^A2B2 cB']  
X:1
L:1/16
M:2/4
K:D
 DF | A2DF A2DF | A6 DF | A2DF A2d2 | f6 (ed) | (c2de) (B2cd) | (A2Bc) (G2AB) | (F2GA) (E2FE) | 
 D6 :| !fermata!d/c/ | B2^A2B2 cB | A2^G2A2 dc | B2^A2B2 cB | A2EF =G2EF | G2EF G2EF | 
 G2A,B, =C2A,B, | =C2A,B,"_D.C." ^C2 |]  