Craft musical compositions adhering to the prescribed form and the provided musical idea.
X:1
L:1/8
M:4/4
K:G
['GBDF GBDB AGDF G z GF', 'g2 bg agbg'  
X:1
L:1/8
M:4/4
K:G
 G2 GF GBDF | GBDB AGDF | G z GF GA(3Bcd | egdB ADBA | GBAF GBDF | GBDB AGDF | 
 G z GF GD(3Bcd egdB abg z || g2 bg agbg | egDg egDg | g2 bg agbg | eafd g3 z | g2 bg agbg | 
 egDg egD z | eBea f2 df | gbaf GBDF ||  