Craft a musical piece that integrates the provided melodic theme and the corresponding alphabetical pattern.
X:1
L:1/4
M:3/4
K:G
['(3D/E/F/ G3/2 G/ G G A c', 'B/c/ d g B d d/c/ A']  
X:1
L:1/4
M:3/4
K:G
 (3D/E/F/ ||"G" G3/2 G/ G |"C" G A c |"D7" B z A |"G" G z (3D/E/F/ | G3/2 G/ G |"C" G A c | 
"D7" B z A |"G" G z B/c/ ||"G" d g B |"D7" d d/c/ A | e d c |"G" d/e/ d/c/ B/c/ | d g B | 
"D7" d d/c/ A | d c A |"G" G z z |]  