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:G
['', 'BG{A}G{F}G{A} G3/2{A}G/{F}Gc BGBd', 'Bdd/d/d d3/2{e}d/{c}dc BGBd']  
X:1
L:1/8
M:4/4
K:G
 dc |: BG{A}G{F}G{A} G3/2{A}G/{F}Gc | BGBd gde/d/c | BG{A}G{F}G DG{A}G{F}G | AGFG Adc/B/A | 
 BG{A}G{F}G{A} G3/2{A}G/{F}Gc | BGBd g3/2a/4g/4fg | a/g/fge fde/d/c | AGFG ABc/B/A :: 
 Bdd/d/d d3/2{e}d/{c}dc | BGBd gde/d/c | Bdd/d/d edcB | ADD/D/D ABcA | Bdd/d/d d3/2{e}d/{c}dc | 
 BGBd g3/2a/4g/4fg | afg/f/e fde/d/c | AGFG ABc/B/A :|  