Compose a piece of music using the provided motif and follow the designated alphabet character structure.
X:1
L:1/8
Q:3/8=80
M:3/8
K:C
['G2 F']  
X:1
L:1/8
Q:3/8=80
M:3/8
K:C
 G | G2 F | EFG | G2 F | E2 G | F2 E | DEF | E2 D | C2 G | G2 F | EFG | G2 F | E2 G | F2 E | DEF | 
 E2 D | C2 C | DDF | E2 D | CCB, | C2 C | DDF | E2 D | CCB, | C3 |]  