Utilize the provided motif and the alphabetically represented musical sequence to craft an original musical composition.
X:1
L:1/8
Q:1/8=180
M:2/2
K:G
['BdcA G2', 'G2 fgaf g2 af gbag fd d2']  
X:1
L:1/8
Q:1/8=180
M:2/2
K:G
 BdcA G2 G2 | ABcA d2 cA | BdcA G2 g2 | fdcA dBcA | BdcA G2 G2 | ABcA d2 cA | BdcA G2 g2 | 
 fdcA BG G2 || fgaf g2 af | gbag fd d2 | fgaf gbag | fdcA BG G2 | fgaf g2 af | gbag fd d2 | 
 defg abag | fdcA BGAF |"^last time" G8 |]  