Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
Q:1/8=150
M:4/4
K:G
['A2 GA', 'A2 GA BG'  
X:1
L:1/8
Q:1/8=150
M:4/4
K:G
 e>B{c} (3BAB e2 dB | A2 GA dBgf | (3efg df e2 dc | A2 GA BG G2 :| g2 (fg) egde | g2 (bg) eaaf | 
 g2 fg egdB | A2 GA BG G2 | g2 fg egde | g2 bg eaag | bgaf gedB | A2 GA BG G2 |]  