Develop a musical composition incorporating the given motif and maintaining the required musical form.
X:1
L:1/8
Q:1/8=30
M:3/8
K:G
['GB .d(d/e/d/c/) cGG ADD cGG .d(d/e/d/c/) BGG', 'BGG ADD'  
X:1
L:1/8
Q:1/8=30
M:3/8
K:G
 GB | .d(d/e/d/c/) | cGG | ADD | cGG | .d(d/e/d/c/) | BGG | ADF | G2 :: z | BGG | ADD | BGG | ADD | 
 .d(d/e/d/c/) | BGG | ADF | G3 :|  