Utilize the alphabetic system of the specified musical pattern and the supplied melodic theme to create a piece of music.
X:1
L:1/8
M:6/8
K:D
['D/E/ F2 F/G/ A2 D BA^G A2']  
X:1
L:1/8
M:6/8
K:D
 D/E/ | F2 F/G/ A2 D | BA^G A2 A | d2 DF>ED | A4 z A | BAce>dA | B2 A/G/ F2 d | cBGF>GE | D4 z |]  