Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:3/4
K:E
['', 'g2 b2 (3gbg f3', 'BA GB']  
X:1
L:1/8
M:3/4
K:E
 B ef |: g2 b2 (3gbg | f3 g/f/ e/f/g/f/ | e2 c3 d/e/ | d/c/ B2 A GB | A2 c2 e2 | (3fgf e2 fe | 
 g2 b2 (3gbg | f3 B ef | g2 b2 (3gbg | f3 g/f/ e/f/g/f/ | e2 c3 d/e/ | d/c/ B2 A GB | A2 c2 e2 | 
 f2 g2 f2 |1 e6 | e3 B ef :|2 e6 | e2 BA GB |: A2 c2 e2 | (3fgf e2 fe | g3 a ge | B2 BA GB | 
 A2 c2 e2 | f2 e2 fe | g2 b2 (3gbf | f2 BA GB | A2 c2 e2 | (3fgf e2 fe | g3 a ge | B2 BA GB | 
 c2 d2 e2 | f2 g2 f2 | e6 |1 e2 BA GB :|2 e6 ||  