Craft a music piece according to the prescribed structure and the input theme.
X:1
L:1/16
Q:1/4=60
M:2/4
K:Bb
['f2 g2a2 bb2f agfd fg2f d2B2 A2dG-', 'BcBG d4'  
X:1
L:1/16
Q:1/4=60
M:2/4
K:Bb
"^A" f2 g2a2 |:"Bb" bb2f agfd |"^/" fg2f d2B2 |"Gm" Bd2B"D" A2dG- |"Gm" G4 z B2G |"Eb" BcBG BcBG | 
"Bb" Bd2B"G7" d4 |1"C7" cb2a- a=eg2 |"F7" c'faf ga2f :|2"C7" G2<d2"F7" Ac2B- | 
"Bb" BF"F7"GA"Bb" B2 z2 |:"^B""F7" Ae2c dcAF |"^/" Ae2c dcAF |"Bb" Bd2B G4 |"Gm" z d2c dcBG |1 
"D7" Ae2c A4 |"^/" Ae2c A4 |"Gm" Bd2B G4 |"Eb" dd2c dcBG :|2"Eb" BcBG BcBG |"Bb" Bd2B"G7" d4 | 
"C7" G2<d2"F7" Ac2B- |"Bb" BF"F7"GA"Bb" B2 z2 |]  