Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/4
M:4/4
K:G
['B/c/ d c B A e', 'c A']  
X:1
L:1/4
M:4/4
K:G
 E2 d b | e A A2 | B/c/ d c B | A e e2 | B/c/ d c B | A e e c | d B c B | A4 :| G/A/ B G/A/B/c/ | 
 d B B2 | A c A/B/c/d/ | e2 e2 | D B c A | B e e d | c A B/A/ G | A4 :|  