Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:2/4
K:Bmin
['', 'dB B>B FB B>B', 'a>b af de f2 b>e dB B>B'  
X:1
L:1/8
M:2/4
K:Bmin
 f/e/ |: dB B>B | FB B>B | cA Ac | e2 f>e | dB B>B | FB B>B | cf f/e/d/c/ |1 B2 Bf/e/ :|2 B2 B2 |: 
 af a>b | af a>b | af de | f2 b>e | dB B>B | FB B>B | cf f/e/d/c/ |1 B2 B2 :|2 B2 Bf/e/ ||  