Craft musical compositions adhering to the prescribed form and the provided musical idea.
X:1
L:1/8
M:4/4
K:G
['C (B,D) G2 B,DGc BAGB AA,-A,C B,D', 'GG,G, c BGdG eGdG BGdB cA-Ac BGdG', 'B,G,-G, c BGdG eGdG BGdB cA-Ac Bdec'  
X:1
L:1/8
M:4/4
K:G
 C | (B,D) G2 | B,DGc | BAGB AA,-A,C | B,D G2 (B,D)Gc | BdAB GG,G, :| c | BGdG eGdG | BGdB cA-Ac | 
 BGdG ecAF | GDEC B,G,-G, || c | BGdG eGdG | BGdB cA-Ac | Bdec dgfa | gdec BG-G |]  