Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:2/2
K:G
['d2 gdTcB gdTcB', 'be (3gfe']  
X:1
L:1/8
M:2/2
K:G
 G/A/B/A/ GA Bc d2 | gdTcB gdTcB | A a2 g{g} Tf2 ed | G/A/B/A/ GA TBc d2 | gdTcB gdTcB | 
 Aagf g2 G2 :: be (3gfe be (3gfe | (3fga (Tf3/2e/4d/4) (3fga (Tf3/2e/4d/4) | be (3gfe be (3gfe | 
 (3fga (Tf3/2e/4d/4) | gG GA TBc d2 | gdTcB gdTcB :|  