Compose a musical piece in accordance with the outlined theme and structure.
X:1
L:1/8
M:3/4
K:Bb
['E>D CE cE F>E DF B2 A>F', 'c>F FA', 'DF/D/ EA FA E/F/d/c/'  
X:1
L:1/8
M:3/4
K:Bb
"^A" E>D CE cE | F>E DF B2 | A>F FA E/F/d/c/ | B>G FB D2 | E>D CE cE | F>E DF B2 | 
 A>F FA E/F/d/c/ | B6 ||"^B" BA/G/ FB D/F/d/B/ | c>F FA E2 | c>F FA E/F/d/c/ | B>F FB D2 | 
 BA/G/ FB D/F/d/B/ | c>F FA E2 | c>F FA E/F/d/c/ | B6 ||"^C" Ec Ac E/G/F/E/ | DB FB DF/D/ | 
 EA FA E/F/d/c/ | B>F FB D2 | Ec Ac E/G/F/E/ | DB FB DF/D/ | EA FA E/F/d/c/ | B6 |]  