Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
M:2/2
K:G
['B2 E3 G']  
X:1
L:1/8
M:2/2
K:G
"^A" D2 |"G" G2 Bc"D7" d2 ef |"G" g2 dc BA G2 | Bc d2"C" e2 f2 |"A7" g4"D7" f2 ag | 
"C" e2 dc"D7" B2 A2 |"G" B2 G2"C" E3 G |"G" B2 G2"C" E3 G |"D7" FGAF D2 (3DEF |"G" G4 G2 || 
"^B" Bc |"G" d2 B2 ecAB |"Am" c2 E2"D7" GF D2 |"G" G3 F"Em" GABc |"D7" dedc"G" B2 gf | 
"C" e2 dc"D7" B2 A2 |"G" B2 G2"C" E3 G |"G" B2 G2"C" E3 G |"D7" FGAF D2 (3DEF |"G" G4 G2 |]  