Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
M:4/4
K:Dmix
['(3FG^G AdBA FBAF EGFE D2 ED A,DFA', 'dFAd (3fgf eg fedf (3gag fa gfeg']  
X:1
L:1/8
M:4/4
K:Dmix
|: (3FG^G | AdBA FBAF | EGFE D2 ED | A,DFA [Fd]2 cd |1 (3efe (3dcB A2 :|2 (3efe dc d2 |: AB | 
 cEGc dFAd | (3fgf eg fedf | (3gag fa gfeg | f3 g fedA | cEGc dFAd | fefg fedB | 
 (3bag (3agf (3gfe (3fed | (3efe d^c d2 :|  