Assemble a piece of music by merging the alphabetic representation of the predetermined musical pattern and the provided melodic theme.
X:1
L:1/8
M:3/4
K:D
['A2 AFAB d2 dAdf e2', 'Adfdfd Adfdfd', 'f2 f/g/f/e/fe d2']  
X:1
L:1/8
M:3/4
K:D
 DF | A2 AFAB | d2 dAdf | e2 edef | a2 afef | A2 AFAB | d2 dAdf | e2 edef | d4 :| A2 | Adfdfd | 
 Adfdfd | Acecec | Acecec | Adfdfd | Adfdfd | a2 afef | d4 |: A2 | f2 f/g/f/e/fe | d2 (5:2:5dedcd | 
 B2 BAFA | B2 BAFA | f2 f/g/f/e/fe | d2 d/e/d/c/df | a2 afef | d4 :|  