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
Q:1/8=180
M:4/4
K:D
['A2 de', 'bdad fdad']  
X:1
L:1/8
Q:1/8=180
M:4/4
K:D
 A3 F A2 de | f2 ec dBAc | BE E2 G3 B | AF F2 dF F2 | ABAF ABde | f2 ec dB B2 | BAFB A2 de |1 
 faeg fedB :|2 faeg fdd || e | (3fed ad bdad | fdad ge e2 | fbba b2 ba | fbba fa e2 | 
 (3fed ad bdad | fdad fedc | BAFB A2 de | (3fga eg fdd :|  