Develop musical compositions by respecting the prescribed structure and combining the presented musical concept.
X:1
L:1/8
M:4/4
K:D
['A2 AB AF F2 BABG E2 E2', 'Acec Aceg'  
X:1
L:1/8
M:4/4
K:D
 F<G | A2 AB AF F2 | BABG E2 E2 | Adfd edfd | AcAF GFED | A2 AB AF F2 | BABG E2 E2 | Aceg fedc | 
 d2 d2 d2 :: A2 | Acec Aceg | faec dcBA | Acec Aceg | fefg a2 a2 | Acec Aceg | face dcBA | 
 BcdB AGFE | F2 D2 D2 :|  