Build a musical arrangement using the indicated alphabet-based system and the given motif.
X:1
L:1/16
M:2/4
K:A
['ecAF EAGA', 'Aa Eaga cBBg |{g} a2(ga) ecAF ECDB,']  
X:1
L:1/16
M:2/4
K:A
 (e/f/g/) | a2(ga) ecAF | EAGA cBBg |{g} a2(ga) ecAa | ecdB cAAg |{g} a2ga ecAF | EAGA cBBc | 
 AcBd cedf | ecdB cAA || e | c/c/c Ae c/c/c Aa | Eaga cBBg |{g} a2(ga) ecAF | ECDB, CA,A, ||  