Develop musical compositions in line with the specified format and incorporating the provided musical theme.
X:1
L:1/8
M:2/4
K:G
['GG gg fd ef dB', 'G2 G2'  
X:1
L:1/8
M:2/4
K:G
|: GG gg | fd ef | dB dB | BA A2 | GG gg | fd ef | dB AA |1[M:3/4] G2 G2 A2 :|2[M:2/4] G2 G2 |: 
 gb af/a/ | bg gd | gb af/a/ | ba af | gf ef | dB GA | BB AA |1 G2 G2 :|2[M:3/4] G2 G2 A2 ||  