Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:6/8
K:G
['B2 G ABc']  
X:1
L:1/8
M:6/8
K:G
"G" B2 G ABc |"D" dgg fdc |"G" B2 G ABc |"D" ADD ABc |"G" B2 G ABc |"D" dgg fdc |"G" B2 G"D" Adc |1 
"G" AGF G2 A :|2"G" AGF G2 a |:"G" bgf"C" gag |"D" fd^c dga |"G" bgf"C" gab |"D" c'af"G" g2 a | 
 bag"D" afd |"G" gag"D" fdc |"G" B2 G"D" Adc |"G" AGF G3 :|  