Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:3/4
K:D
['B2 c2 B2 A3']  
X:1
L:1/8
M:3/4
K:D
 DE | F>G E2 FG/A/ | B>c AG FG | E2 D3 D | D3 z (3ABc | dB c3 B | A>B A/G/ E E/ F/ G/A/ | 
 B2 c2 B2 | A3 z (3ABc | dd c3 B | A>BA/G/ E (3EGB | B2 c2 B2 | A3 DE | F>G E>F GA | B>c A>G F>G | 
 E2 D3 D | D3 ||  