Assemble a musical arrangement following the given alphabetic notation and motif.
X:1
L:1/8
M:4/4
K:D
['dB B2', 'af f2']  
X:1
L:1/8
M:4/4
K:D
 dB B2 A2 FA | A2 FA defe | dB B2 ADFA | Beed egfe | dBBA ADFB | A3 B defg | afge fdef | 
 dBAB e3 f || af f2 afbf | af f2 afef | af f2 a3 f | eafe dB A2 | af f2 afbf | af f2 afea | 
 fa a2 fb b2 | bafe f3 e ||  