Compose music pieces conforming to the prescribed pattern and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:D
['DFAc dAed', 'Aegf AcdA cdfd F_BdG _Bded |1 B2'  
X:1
L:1/8
M:4/4
K:D
|: DFAc dAed | faae aacd | B2 BA BcdA | ^GBfe- e=GAd | DFAc dAed | faba- adcA |1 Bd'c'b b2 gf- | 
 fAdf Acde :|2 BdcA edcd | GAdA afee |: D2 dc- c c2 A- | A4- Aegf | AcdA cdfd | F_BdG _Bded |1 
 B2 BA B/c/d eg | fddd- ddcA | ^Gdfe- edcd | GAde- eG F/G/F :|2 B6 _B2 | A8 | G6- GG- | 
 G G2 A- AG A/B/d ||  