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:4/4
K:D
['AGFd F/G/A d2 fdAF', 'fdfa bggb']  
X:1
L:1/8
M:4/4
K:D
 B | AGFd F/G/A d2 | fdAF E/E/E B2 | AGFd F/G/A d2 | fdAF E2 D :| g | fdfa bggb | affa geeg | 
 fdfa bggb | afdf e2 dg | fdfa bggb | afdf bgeg | fgaf gabg | afdf e2 d ||  