Construct a melodic piece using the designated alphabetic pattern and the provided musical theme.
X:1
L:1/4
M:2/2
K:G
['G G d d e f g', 'd2 d c/B/ c d G A']  
X:1
L:1/4
M:2/2
K:G
 G G | d d e f | g d g f | e e B ^c | d2 ::!f! d2 | d c/B/ c d | !plus!B2 G A | B c d/c/d/e/ | 
 !plus!e d d2 | d c/B/ c d | !plus!B2 G A | B c/B/ A/G/A/F/ | G2 :|  