Construct a musical arrangement using the specified alphabetical sequence and the given motif as a foundation.
X:1
L:1/8
M:6/8
K:G
['efg gag', 'ece ece']  
X:1
L:1/8
M:6/8
K:G
 efg gag | efg gag | agf edc | d>d f3 d :| ece ece | ece fdf | ece d2 d | f3 d3 :|  