Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:2/2
K:Bb
['(B4 B>)dc>B (c4 c>)ed>c', 'c>=Bc>A F>Ac>_e d>^cd>B G>Bd>g']  
X:1
L:1/8
M:2/2
K:Bb
 d>c | (B4 B>)dc>B | (c4 c>)ed>c | B>df>=e g>fd>B | A>fa>g (3fgf (3_edc | (B4 B>)dc>B | 
 (c4 c>)ed>c | B>bf>d (3fgf (3edc | B2 b2 B2 :|[K:F] A>B | c>=Bc>A F>Ac>_e | d>^cd>B G>Bd>g | 
 (3efg (ce) g>ba>g | f>ac'a f>cA>B | c>=Bc>A F>Ac>_e | d>^cd>B G>Bd>g | e>bg>e c>BG>E | 
 (3FAB (3cde f2 :|  