Develop a musical arrangement using the specified sequence in alphabetic representation and the provided motif.
X:1
L:1/8
Q:1/8=100
M:4/4
K:D
['AB d>cdB dAAB d>edB A3 A Beed', 'B2 A>B defa def/g/a dedB A3 A']  
X:1
L:1/8
Q:1/8=100
M:4/4
K:D
 AB | d>cdB dAAB | d>edB A3 A | Beed e>fgb | a>fed B2 :| A>B | defa def/g/a | dedB A3 A | 
 Beed e>fgb |1 afed B2 :|2 afec !fermata!d4 |]  