Produce a musical expression that follows the indicated alphabetical structure while integrating the provided thematic material.
X:1
L:1/4
M:4/4
K:G
['G B']  
X:1
L:1/4
M:4/4
K:G
"^A" d |"G" G B B/c/d/B/ |"G" G B B/c/d/B/ |"G" G B e3/2 B/ |"Am" d c c3/2 A/ |"D" F A A/B/c/A/ | 
"D" F A A/B/c/d/ |"D7" e d e f |"G" g3 :|[K:G]"^B" G/A/ |"G" B2 B A |"G" G2 G E |"C" F E"G" F G | 
"Am" A G A B |"D" c2 c A |"D" F2 F E |"D7" D D E F |"G" G3 :|  