Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
M:3/8
K:D
['(c/B/) A2 GAB A3 F2 A (G/F/)', 'FBG FBG'  
X:1
L:1/8
M:3/8
K:D
|:"_p 2nd f" A2 d | (c/B/) A2 | GAB | A3 | F2 A | (G/F/) E2 | EFE | (D/C/)D/E/F/G/ | A>fe/d/ | 
 (c/B/) A2 | GAB | A3 | F2 A | (G/F/) E2 | E/F/G/A/B/c/ | d2 z :| !fermata!F3 | (F2 B) | BAG | 
 FDE | F3 | (F2 B) | BAG | FBG | FBG | FBG | FBG | F2 z | B3 |"_D.C." _B3 |]  