Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:4/4
K:Ador
['A/A/A a2 g<e g2', 'e>dB>A G>AB<d'  
X:1
L:1/8
M:4/4
K:Ador
 B | A/A/A a2 g<e g2 | e>dB>AG>A B<G | A/A/A a2 g<e g2 | e>dB>G A/A/A A :| g | e>dB>A G>AB<d | 
 e>dB>A B/B/B Bg | e>dB>A G>AB<d | e<dg>B A/A/A A :|  