Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:2/4
K:G
['(gd)(dB) (dB)(BG) cAFD G/F/G/A/ G2 (gd)(dB) dBBG', 'G2 B/A/B/c/ BB BdgB A/G/A/B/ AA AcfA']  
X:1
L:1/8
M:2/4
K:G
 (gd)(dB) | (dB)(BG) | cAFD | G/F/G/A/ G2 | (gd)(dB) | dBBG | cAFD | G2 G2 :: B/A/B/c/ BB | BdgB | 
 A/G/A/B/ AA | AcfA | G/F/G/A/ GG | GBdc | (3BAG (3DEF | G2 G2 :|  