Develop a musical arrangement based on the stated alphabetical form and the given motif.
X:1
L:1/8
M:2/2
K:A
['(3ccc c>f ecBA', '.B2 .^A2 .B2 .F2']  
X:1
L:1/8
M:2/2
K:A
"_P""^4" .vA2 .G2 .A2 .E2 |"_mf" A c2 f ecBA |"_p" .B2 .^A2 .B2 .F2 |"_mf" B g2 f edcB | 
"_p""^4" .A2 .G2 .A2 .E2 |"_mf" B d2 f ecBA |"_p" .B2 .^A2 .B2 .F2 | 
"_f" (f2 e) z"_ff" (u=F2 E) z ::"_mf" (3vccc (uc>.f) vecBA | (3ccc c>f ecBA |"_ff" a a2 f a4 | 
"_p" A A2 F A4 |"_mf" (3ccc c>f ecBA | (3ccc c>f ecBA | agae gfed | c"^4"edB A2 z2 :: 
"_mf""^4" .vA2"_cres" .G2 .A2 .E2 | (3(A,CE (3Ac"^4"e)"^04" a4 | .B2 .^A2 .B2 .F2 | 
 (3(EGB (3eg"^4"b)"^04" e'4 | .A2 .G2 .A2 .E2 | .B2 .^A2 .B2 .F2 | d g2 f edcB |1 
 A z"_ff" (E2 =F2 E2) :|2 A2 a2 A2 z2 |]  