Develop a musical composition utilizing the presented motif and adhering to the required structure.
X:1
L:1/8
Q:1/4=140
M:2/4
K:Dphr
['ga ^fg ab a>g', '^f3 (f/a/) g3 (g/b/)', "dd'ab ga ^fg ab a>g"  
X:1
L:1/8
Q:1/4=140
M:2/4
K:Dphr
 d/d/dd'ab | ga ^fg | ab a>g | (^f/g/)f/g/ a2 | dd'ab | ga ^fg | ab a>g | (^f/g/)f/e/ d2 :| 
 ^f3 (f/a/) | g3 (g/b/) | a3 (a/c'/) | ba bg | ^f3 (f/a/) | g3 (g/b/) | (a>g) ^fe | d4 :| dd'ab | 
 ga ^fg | ab a>g | (^f/g/)f/g/ a2 | dd'ab | ga ^fg | ab a>g | (^f/g/)f/e/ d2 :|  