Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
M:2/4
K:Bb
['F2 G2']  
X:1
L:1/8
M:2/4
K:Bb
 GGcc | Gc/B/G/B/G | F2 G2 | GcBc | F2 G2 | cBGB | F2 G2 | GGBB | BddB | c2 c2 | GcBc | F2 G2 | 
 BBBd | c4 | G2 cB | F2 G2 |]  