Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:2/4
K:G
['dBBG cAAF', 'A2 c2 B2 d2', 'G3 B2 Bd dcBA A2 Ac BBcd'  
X:1
L:1/8
M:2/4
K:G
 g | dBBG | cAAF | dgfe | e2 dg | dBBG | cAAF | G2 A2 | G3 :: A2 c2 | B2 d2 | A2 c2 | B2 d2 | 
 AAAc | BBBg | B2 A2 | G3 :: B2 Bd | dcBA | A2 Ac | BBcd | efge | dcBA | G3 :|  