Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:2/2
K:D
['D E2 GABG E2 FDAF E2 GABc']  
X:1
L:1/8
M:2/2
K:D
 D |"Em" E2 BE"G" GABG |"Em" E2 BE"D" FDAF |"Em" E2 BE"G" GABc |"D" dBBA"A" BE E :| z | 
"Em" efge"D" fgaf |"C" gfed"Em" eB B2 |"Em" efge"D" fgaf |"C" gfed"D" Beed |"Em" efge"D" fgaf | 
"C" gfed"D" efga |"G" bg"D"af"G" gfed |"D" eBBA"A" BE E |]  