Compose a musical piece based on the given motif and alphabet representation.
X:1
L:1/8
M:2/2
K:G
['F2 F>F', 'B2 B2']  
X:1
L:1/8
M:2/2
K:G
|:"^?" G2 A2 G2 D>G | B2 G>B d2 B>G | cGcG BG BG | B>AG>F GBcg | cGcG BGBG | BAGF GBdf | 
 B/c/B/c/ AB cBAG | F2 F>F GAFD | G/F/G/A/ BB cBAG | F2 F>F F3 B | BAGF AGFE | F2 F>F F2 z2 :: 
 (F/G/)(F/G/) A>A BAGF | G/A/G/A/ BB cBAG | (F/G/F/G/) AA BAGF | A2 F>F FcBA | 
 G2 (d/e/d/c/) B2 B2 | BdcB c4 | c2 e/f/e/d/ ^c2 c2 | ^cedc d2 =c2 | B2 B>B B2 B2 | 
 B2 G>G G2 Bc/A/ | Bedc BAGF | G2 B>B B2 z2 :|  