Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:G
['G2 GA BGdB cBAB cedB ABcd', 'G2 B A2 af dgBe defg afed']  
X:1
L:1/8
M:4/4
K:G
 D/E/F | G2 GA BGdB | cBAB cedB | ABcd efge | fage dcBA | G2 GA BGdB | cBAB cedB | ABcd efgf | 
 g2 G2 G2 :: B | A2 af dgBe | defg afed | ebag fadf | gedB A2 BA | G2 dB Agfe | defg afdB | 
 ABcd efgf | g2 G2 G2 :|  