Construct a piece of music using the designated motif as the basis, while ensuring the required form is followed.
X:1
L:1/8
M:6/8
K:G
['GAB cde', '[B,G]2 g fef def gab (e2 f)'  
X:1
L:1/8
M:6/8
K:G
 c | BAB GAB | cde (d2 c) | Bdg ecA | (G3 F2) D | GAB cde | dcB (g2 e) | dfg DFA | [B,G]3 [B,G]2 :| 
 g | fef def | gab (e2 f) | geb afd | (g3 f2) d | eca fdg | (Bg)B A2 G | GBg DFA | 
 [B,G]3 [B,G]2 g | fef def | gab (e2 f) | geb afd | (g3 f2) d | ec'e dbd | cac BgB | Ace DFA | 
 [B,G]3 [B,G]2 ||  