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:D
['Ge dB Be dB', 'ed BG', 'G d g2 a2 b2- ba g>f']  
X:1
L:1/8
M:2/4
K:D
|: D | G2 Ge | dB Be | dB G>A | BA A2 | G>F Ge | dB Be | dB AF | G2- G :: f | g2 fd | ed BG | 
 ga/g/ fd | e2 ef | g2 f2 | ed BG | A>^G AB | G2- G :: d | g2 a2 | b2- ba | g>f ef | g2- gd | 
 e2 dB | eg/e/ dB | dB AF | G2- G :|  