Craft a musical piece adhering to the specified structure.
'Sectional: Through Composed'  
X:1
L:1/16
M:3/8
K:D
 A2 | (dc)(de)(fe) | (d2a2f2) | agfedc | (d2f2A2) | (dcdefe) | (d2a2f2) | (agfedc) | d4 :: A2 | 
 ^G2B2B2 | A2c2c2 | B2d2B2 |{d} c4 A2 | (ce)(ge)(ce) | (df)(af)(df) | (^GB)(dB)(GB) | A4 :: fg | 
 a2(D2F2) | A2(d2f2) | (ag)(gf)(ga) | (g2f2) (fg) | (aD)(FD)(AF) | (dA)(fd)(af) | (ag)(gf)(ge) | 
 d4 :: fe | .d2.d2.c2 | .B2.B2.B2 | .c2(cdec) | .d2(Bdfd) | d2(d2c2) | B2(BcdB) | c2f2^a2 | b4 :|  