Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:4/4
K:Dphr
['FG A2', 'z D', 'FGAF- E/D/E/C/ DEFG c/B/A/G/ FGAF- D D2']  
X:1
L:1/8
M:4/4
K:Dphr
 |] D2"A" |"D" FG A2 A2 A2 |"Gm" B6 AG |"D" FG A2"Eb" BAGA |"D" G F3 z2 ||"D" FG A2 A2 A2 | 
"Cm" c4- cBAG |"D" FG A2"Eb" BAGA |"D" G F3 z4 |: z2"B" |"D" D d2 ^c d2 A2 |"Gm" B3 c d2 c/B/A/G/ | 
"Cm" F G3- GFEF |"D" E D3 z :: D (3BAG"C" |"D" F8 |"Gm" G8 |"D" FGAF- FD"Cm"EC |"D" DEFG AdAG | 
"D" F8 |"Gm" G4 z D (3BAG |"D" FGAF- FD"Cm"EC |1"D" D4 z :|2"D" D4 z d"Cm" c/B/A/G/ ||"D" |: 
"D" FGAF- FD"Cm" E/D/E/C/ |"D" DEFG Ad"Cm" c/B/A/G/ |"D" FGAF- FD"Cm"EC |1"D" D D2 A, DA, D2 :|2 
"D" D6 |]  