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:2/4
K:G
['d Bdcd dBAG GgdB (.A.A.A) d Bdce', 'g2 dB', 'Gg fd ce', 'd>edB c>dcA']  
X:1
L:1/8
M:2/4
K:G
 d | Bdcd | dBAG | GgdB | (.A.A.A) d | Bdce | dBAG | BdAd | (BGG) :: d | g2 dB | g2 dB | GgdB | 
 (.A.A.A) d | g2 dB | g2 dB | BdAd | BGG ::[M:2/4][K:G] G>A Gg | fd ce | dBAG | FA D2 | G>A Gg | 
 fd ce | dBcA | G2 G,2 :: d>edB | c>dcA | BdBG | FAFD | d>edB | c>dcA | BGAF | G2 G,2 :|  