Craft a musical composition that incorporates the supplied alphabet sequence and motif.
X:1
L:1/8
M:4/4
K:G
["d ga b4 a2 gf g4 bd'", 'g2 d2 cB AG']  
X:1
L:1/8
M:4/4
K:G
 d | ga b4 a2 | gf g4 bd' | e'/f'/g' d'g' c'g'd'g' | g'2 f'e'f'd' e'f' | g'2 d'2 c'bag | 
 d2 c2 B2 d2 | eceg bagf | g4 :| G | AB c4 B2 | AGDF Adfd | ef g2 d2 cB | AG B2 AG A2- | AB c4 B2 | 
 AGFA df a2 | gf g2 d2 cB | AG G4 :|  