Develop a musical composition by utilizing the given alphabetic notation and supplied motif.
X:1
L:1/8
Q:1/4=120
M:2/4
K:G
['dd/e/ db g2 db', "ac' bd' d'2 bg", "d'2 c'b ag g2 dg ab"]  
X:1
L:1/8
Q:1/4=120
M:2/4
K:G
 (B/c/) | dd/e/ db | g2 db | gg fg | a/g/f/e/"^cr" dB/c/ | dd/e/ db | g2 db | af a/g/f/e/ | d3 :: 
 (f/g/) | (aa/b/) ac' | bd' d'2 | bg g2 | fd d(f/g/) | aa/b/ ac' | bd' d'2 | bg f/g/a/f/ | g3 :| 
 z | d'2 c'b | ag g2 | dg ab | a/g/a/b/ aa | d'2 c'b | ag g2 | dg ab | g/d/e/f/ g/a/b/c'/ | 
 d'2 c'b | ag g2 | dg ab | a/g/a/b/ aa | d'2 c'b | ag g2 | dg ab | a3 |]  