Craft a musical piece adhering to the specified structure.
'Sectional: Through Composed'  
X:1
L:1/8
M:4/4
K:D
 a3 g || fadf AdFA | DFAd fefa | (3gbg f2 (3ege de | cdBc A2 ag | fadf AdFA | DFAd fefa | 
 gfed cABc |1 d2 f2 d2 ag :|2 d2 F2 D3 G || GFGA BABd | fgfe dcBc | A2 f2 fe f2 | G2 E2 ED E>A | 
 GFGA BABd | fgfe dcBc | Afed cABc |1 d2 F2 D3 A :|2 d2 f2 d2 ag || fAEA (3ded c2 | 
 (3BcB AB G2 ba | gBfB efed | cdBc A2 ag | (3faf e2 (3ded cd | Bc AB (3GBG FG | EFED c2 (3ABc | 
 d2 f2 d2 ag | fAEA (3ded cd | Bc (3ABA G2 ba | gBfB efed | cdBc A2 ag | (3fgf (3efe (3ded (3cdc | 
 (3BcB (3ABA (3GAG FG | EFED c2 (3ABc | d2 f2 d2 ag ||  