Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
M:2/4
K:E
['EG Be fe', 'EG Be f>e c2']  
X:1
L:1/8
M:2/4
K:E
 B, | EG Be | fe c2 B/c/ | BB GE | (F/B/)(^A/B/) (c/B/)(A/F/) | EG Be | fe cA/c/ | 
 Bd/c/ B/>G/F/>G/ | E3 || E | EG Be | f>e c2 Ac | BB GE | (F/B/)(^A/B/) (c/B/)(A/F/) | EG Be | 
 f>e c2 A/c/ | Bd/c/ B/F/G/ | E3 ||  