Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/8
M:2/2
K:C
['d2 BG', 'BG f2 Af Af cA d2']  
X:1
L:1/8
M:2/2
K:C
|:"C" c{c}c ec"F" f2 cA |"C" c{c}c ec"G" d2 BG |"C" c{c}c ec"F" fd"C" ec | 
"Dm" d{e}f"C" e{f}g"G" d2 BG ::"F" f2 cA Af cA |"F" f2 cA"G" Gd BG |"F" f2 cA AF cA | 
"Dm" d{e}f"C" e{f}g"G" d2 BG ::"C" c{c}c ec"F" fd"C" ec |"C" c{c}c ec"G" dG BG | 
"C" c{c}c ec"F" fd"C" ec |"Dm" d{e}f"C" e{f}g"G" d2 BG ::"F" f2 Af Af cA |"F" f2 Af"G" Gd BG | 
"F" f2 Af Af cA |"Dm" d{e}f"C" e{f}g"G" d2 BG :|  