Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:4/4
K:Bmin
['fB (3BBB (fg)fe dB (3BBB (GB)dB', 'f2 (dB) GBdB']  
X:1
L:1/8
M:4/4
K:Bmin
 fB (3BBB (fg)fe | dB (3BBB (GB)dB | cAAd AAec | AfdB ecAc | fB (3BBB (fg)fe | dB (3BBB (GB)dB | 
 cABc ABc(e | ef)ec Bcde :| f2 (dB) GBdB | caec dB (3BBB | f2 (dB) GBdB | cAec Bcde | 
 fd (3ddd (fg)fe | dB (3BBB (GB)dB |1 cAdA ecAa- | afec Bcde :|2 cAdA ecAa- | afec B2- B2 |]  