Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:6/8
K:G
['B2 c', 'e2 e', 'e f3 ded cGE']  
X:1
L:1/8
M:6/8
K:G
"G" B2 B B2 A | B2 c d3 |"G" B2 B B2 A | B2 c d3 |"D" A2 A A2 B |"G" d2 c B2 c |"D" d2 e d2 c | 
 B2 A"G" G3 ::"G" B2 c d2 G |"D" AGA"G" B2 G |"G" B2 c d2 B |"D" ABA"G" G3 :| x6 |1 
[M:6/8][K:C]"^A (BC)x4 A""^A" G |"C" c2 G c2 G | cde"F" fed |"C" c2 G c2 G | cde"G7" d2 G | 
"C" c2 G"B" c2 G |"Bb" cde"A" f3 |"G" efe ded |"C" cGE C3 :|"^B""C" c3"G7" B3 |"C" cGE C3 | 
"G7" G^FG ^GAB |"C" cGE C3 |"G" G3 B3 | d3 B3 |"D" c3 A3 |"G" G3 z3 :|"^C""C" e2 e e2 e | 
 ede"G" fed |"C" e2 e e2 e | ede"F" f3 |"C" e2 e e2 e | ede"G" f3 |"C" efe"G" ded |"C" cGE C3 :|  