Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
Q:1/8=150
M:2/2
K:A
['A2 Ec dBGB', 'a2 e2 abeg afcf dfec dBGB ceae']  
X:1
L:1/8
Q:1/8=150
M:2/2
K:A
 E2 | A2 Ec dBGB | Aceg aecf | dbca Bgeg | aece fdBG | A2 Ec dBGB | agbg aece | dced feag | 
 bgeg a2 :| e2 | abeg afcf | dfec dBGB |"^11" ceae dega | gbaf e2 fg | agbg aece | dbBg aece | 
 dced feag | bgeg a2 :|  