Develop tuneful melodies adhering to the specified letter notation and including the supplied thematic aspect.
X:1
L:1/16
M:2/4
K:D
['', 'D2A,D FDFB A2F2 F2A2 G2E2', 'A2FA G2EG F2DF', 'ABcd B2G2 GDEF G2DG BGBe d2B2 B2d2', 'D2A,D FDFB A2F2 F2A2 G2E2']  
X:1
L:1/16
M:2/4
K:D
 (3A,B,C |: D2A,D FDFB | A2F2 F2A2 | G2E2 EFGA | F2D2 DA,B,C2 | D2A,D FDFB | A2F2 F2A2 | 
 G2E2 B2A2 |1 D4 D A,B,C :|2 D4 D2 B2 || (3ABA FA DAFA | B2GB A2FA | G2EG F2DF | E4 E2B2 | 
 (3ABA FA dAFA | BAGB A2FA | G2E2 B2A2 | D4 D2 B2 | (3ABA FA DAFA | B2GB A2FA | G2EG F2DF | 
 EDCD EGFE | D2A,D FDFA | A2F2 F2A2 | G2E2 B2A2 | D4 D4 |:[K:G] G2DG BGBe | d2B2 B2d2 | c2A2 ABcd | 
 B2G2 GDEF | G2DG BGBe | d2B2 B2d2 | c2A2 e2d2 |1 G4 G DEF :|2 G4 G2A2 |:[K:D] (3ABA FA f2Af | 
 (3ded cd e2dc | BAFA DAFA | BAGF E2G2 | FAdf afdf | gfed dcBA | G2E2 B2A2 |1 D4 D2 B2 :|2 
 D4 D A,B,C || D2A,D FDFB | A2F2 F2A2 | G2E2 EFGA | F2D2 DA,B,C | D2A,D FDFB | A2F2 F2A2 | 
 G2E2 B2A2 |1 D4 D A,B,C ||2 D2 z2 [FAd]4 ||  