Generate a composition that blends the designated melodic theme with the particular alphabetical naming of the musical pattern.
X:1
L:1/8
M:4/4
K:D
['A3/2 F/ |]: D2 D3/2 D/ D2', 'A B A G', 'D F A2']  
X:1
L:1/8
M:4/4
K:D
 A3/2 F/ |]: D2 D3/2 D/ D2 F A | d2 D D D2 D F | A2 A B A G F G |1 (A3 B (AG)) F E :|2 
 A6 A3/2 A/ |: B2 B B (Bc) (dB) | A B A G F2 D F | A2 d3/2 d/ (BG) E C | D6 D F | 
 A2 A3/2 A/ (AB) c A | (d3 (3fed) d c | B2 B B (3(Bcd) B || A B A G F D F | A2 d3/2 d/ (BG) E A | 
 D6 |]  