Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:3/8
K:C
['B/A/Gc d2 f', 'd2 c'  
X:1
L:1/8
M:3/8
K:C
 c | B/A/Gc | d2 f | e/d/cd | edc | B/A/Gc | d2 f | e/d/ce | d2 :: c | de/f/g | edg | a/g/fe | 
 d2 c | d/e/fd | ecd | e/d/cB | c2 :|  