Craft music following the designated musical format in expression.
'Compound Binary'  
X:1
L:1/8
M:2/4
K:G
"^A" |: DG GA | B2 A>G | BA A>A | BA Bd || DG GA | B2 A>G | GE ED | GE ED :|"^B" |: ed eg | 
 d2 c>B | BA A>A | BA Bd || ed eg | d2 c>B | AG G>A | BG |1 Gd :|2 GE |]  