Develop a musical creation based on the specified alphabetical structure and given motif.
X:1
L:1/8
M:4/4
K:G
['ge dc B2', 'cA GB dB ce', 'dc B2 GF']  
X:1
L:1/8
M:4/4
K:G
 dc | Bd gf ge dc | B2 GF GB dB | ce ag af dB | c2 AG A2 dc | (3.B.c.d gf g2 BA | GD BD GB dB | 
 ce af ge dc | B2 GF G2 :| dc | (3.B.c.d gd (3.B.c.d gd | (3.B.c.d cA GB dB | ce ae ce ae | 
 cA BG A2 dc | (3Bcd gd (3Bcd gd | (3Bcd cA GB dB | ce af ge dc | B2 GF G2 :| ga | bg (3agf ge dc | 
 B2 GF G2 ab | c'a bg (3agf dB | c2 AG A2 ga | (3bag af g2 BA | GD BD GB dB | ce af (3gfe dc | 
 B2 GF G2 :|  