Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/16
Q:1/4=108
M:4/4
K:none
['c2>_B2 ABcd', 'c2>B2 ABcd'  
X:1
L:1/16
Q:1/4=108
M:4/4
K:none
 c2>_B2 ABcd _e4 d4 | c2>_B2 ABcd _e4 d4 | c2>_B2 ABcd _e4 d4 | c2>_B2 ABcd c2c2 c4 :: 
[K:C] c2>B2 ABcd efg2 e4 | c2>B2 ABcd efg2 e4 | c2>B2 ABcd efg2 e4 | c2>B2 ABcd c2c2 c4 :|  