Create a composition based on the provided motif, following the specified musical structure.
X:1
L:1/8
M:6/8
K:D
['FGA AFA BGB AFA', 'g fga agf efg gfe fga Bcd'  
X:1
L:1/8
M:6/8
K:D
 (A/G/) | FGA AFA | BGB AFA | E2 e efd |"^tr" c3 A3 | FGA AFA | BGB AFA | D2 d dec | d3 D3 :: g | 
 fga agf | efg gfe | fga Bcd |"^tr" c3 A2 (B/c/) | dcB AGF | GAB AFA | D2 d dec | d3 D2 :|  