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:4/4
K:D
['BAFA ABde f2 ed', 'BAFA ABde f2 ed']  
X:1
L:1/8
M:4/4
K:D
 d2 dA BAFA | ABdA BAFA | ABde f2 ed | Beed egfe | d2 dA BAFA | DAFA BAFA | ABde f2 ed |1 
 BABc d3 A :|2 BABc d2 f2 |: a2 ag f2 fe | d2 dA BAFA | ABde f2 ed | Beed efge | a2 ag f2 fe | 
 dcdA BAFA | ABde f2 ed |1 BABc d3 f :|2 BABc d2 z2 ||  