Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
Q:1/8=150
M:6/8
K:Amin
['B cBA aba e>dc/B/ A2 c B>AG', 'cea cea'  
X:1
L:1/8
Q:1/8=150
M:6/8
K:Amin
 B | cBA aba | e>dc/B/ A2 c | B>AG g^fg | d>cB/A/ G2 g/a/ | bag eag | e>dc g2 e | dBG A>Bc/d/ | 
 e>dc/B/ A2 :| c/B/ | cea cea | cea A2 d/c/ | Bdg Bdg | Bdg G2 c/B/ | cea cea | cea g2 e | 
 dBG A>Bc/d/ | e>dc/B/ A2 :|  