Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
Q:1/4=124
M:2/4
K:Emin
['gc e2', "ef dd'ab c'c e2 dd'ab c'd'e'd' c'bac'"]  
X:1
L:1/8
Q:1/4=124
M:2/4
K:Emin
 (d/e/f/g/) ad | gc e2 | fdad | fgad' | fdad | gc e2 | dd'ag | Tf2 ef :| dd'ab | c'c e2 | dd'ab | 
 c'd'e'd' | c'bac' | ec e2 | dd'ag | Tf2 ef :|  