Produce music compositions abiding by the stipulated structure and the presented musical idea.
X:1
L:1/8
M:2/2
K:E
['egfe defg a2 (ga) bgaf gefd', 'fB (3BAB'  
X:1
L:1/8
M:2/2
K:E
 (BG) | E2 (GB) egfe | defg a2 (ga) | bgaf gefd | Bagf ecBA | GEGB egfe | defg a2 (ga) | 
 bgaf gefd | Bagf e2 :: (de) | fB (3BAB gB (3BAB | (bB)(gB) fB (3BAB | (ef)ga bgaf | gefd BcBA | 
 GEGB egfe | defg a2 (ga) | bgaf gefd | Bagf e2 :|  