Develop a musical piece using the given motif and adhere to the outlined structure.
X:1
L:1/8
M:2/4
K:D
['dd/c/ B2 A2', 'G2 EE'  
X:1
L:1/8
M:2/4
K:D
 AD | EFGA | dd/c/ B2 | A2 FF | AG EE | ADEF | GA dd/c/ | B2 A2 | FE F/G/E | FD D2 :: A | 
 d/e/f/d/ e2 dc | Bcd B2 AGF | G2 EE | EF G2 EE | d/e/f/d/ e2 dc | Bcd B2 AG/F/ | G2 EE FG | 
 F2 D D :|  