Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:4/4
K:G
['B2 BA', 'edgd edgd BABd gfgd'  
X:1
L:1/8
M:4/4
K:G
 G2 GA B2 BA | B2 BG AGEF | G2 GA B2 BA | GABG AGEF | GFGA B2 BA | BcBG AGEF | GFGA BcdB | 
 GABG A2 G2 :| gfgd edgd | edgd BABd | gfgd egfa | gedB c2 BA | G2 gd edgd | edgd BABd | 
 gfgd ed^cd | eaaf gedB :|  