Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:3/4
K:C
['G2 _B2 G2', '_B2 GB GB']  
X:1
L:1/8
M:3/4
K:C
 G2 _B2 G2 | G^F/G/ A2 F2 | G2 _B2 G2 | G^F D4 :: _B2 GB GB | A2 ^FA FA | _B2 GB GB | 
 G/A/G/^F/ D4 | _B2 GB GB | A2 ^FA FA | _B2 GB GB | G/A/G/^F/ D2 | _B2 A/^F/A G4 :|  