Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
Q:1/8=100
M:4/4
K:C
['dB GGG BAc BB Bdce dgfe dcBA', 'G2 Bc d>dd d>gfe d2 d>d d>Bc']  
X:1
L:1/8
Q:1/8=100
M:4/4
K:C
"^As Writ" dB | GGG BAc | BB Bdce | dgfe dcBA | G2 GG G2 :: Bc | d>dd d>gfe | d2 d>d d>Bc | 
 dB>GB dB>GB | A2 AA A2 dB | G2 G2 (GBAc) | B2 B2 (Bdce) | dgfe dcBA | G2 GG G2 :|  