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=150
M:3/4
K:D
['fd ec dB']  
X:1
L:1/8
Q:1/8=150
M:3/4
K:D
 dA BG AF | GE FD EC | D/E/F/G/ AF DA | Bc de/d/ cA | ae fd ec | dB c/d/e/d/ cA | d/e/f/g/ af eg | 
 fa ea cA | af ge fd | ec dB cA | B/c/d/B/ A/B/A/G/ F/G/F/E/ | Dd A/G/F/E/ D2 :|  