Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:6/8
K:C
['d3 d3 dBg', 'dBc dBc']  
X:1
L:1/8
M:6/8
K:C
 d3 d3 | dBg dBG | c3 c3 | cAB cBA | d3 d3 | dBg dcB | Eed cBA | G3 G2 |: | d | dBc dBc | dBg dBG | 
 cAB cAB | cBA GFE | dBc dBc | dBd dBG | EcB AGF | G3 z2 |]  