Develop a musical piece using the given motif and adhere to the outlined musical structure.
X:1
L:1/8
Q:1/2=80
M:2/2
K:C
['G2 G4 c2', 'c4 f2 ff f2 ag (fe)(dc) d3'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:C
 c2 cc c2 C2 | E2 G2 G4 | c2 cB A2 (GF) | (EF) G2 G4 | c2 cc c3 d | (dc)(de) d3 e | 
 (fe)(dc) g2 (gf) | e4 c4 :: f2 ff f2 ag | (fe)(dc) d3 d | c2 cc c2 (ed) | (cB)(AG) G2 AB | 
 c2 BA G2 FE | F3 G A3 A | G2 G2 c2 EF | G4 c4 :|  