Develop musical pieces adhering to the provided chord changes.
'D', 'C', 'D', 'G', 'D', 'A', 'D', 'D', 'G', 'D', 'A', 'Bm', 'F#m', 'G', 'A', 'D', 'G', 'D', 'A', 'Bm', 'F#m', 'A', 'D'  
X:1
L:1/8
M:4/4
K:D
|: FE |"D" DFAF BFAF | DFAF dAAD |"C" =C2 =cE EdED | =CDE=F GECE |"D" DFAF BFAF | DFAF d2 A2 | 
"G" Bcde"D" fgaf |"A" edBc"D" d2 :: (3ABc |"D" d2 fd"G" db z f |"D"{g} fedf"A" edBc | 
"Bm" dcBd"F#m" (3cBA FB |"G" AFDF"A" E2 (3ABc |"D" d2 fd"G" db z f |"D"{g} fedf"A" edBc | 
"Bm" dcBd"F#m" (3cBA FB |"A" AFEF"D" D2 :|  