Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/8
M:6/8
K:G
['d e2 d efg']  
X:1
L:1/8
M:6/8
K:G
 G |"G" G2 G d>ed |"D7" c2 A"G" B>AG |"G" d2 G"C" G2 A |"D7" F3"G" G2 :: d |"C" e2 d efg | 
"D7" f2 e d2 d |"C" e2 d efg |"D7" f3 d2 d |"G" g2 f"C" edc |"G" B2 B B2 B/B/ |"C" c2 c c>de | 
"G" dBc"D" d>ef |"C" egG"G" G2 A |"D7" A3"G" G2 :|  