Compose a piece of music using the specified letter-based musical form and incorporating the assigned motif.
X:1
L:1/8
M:2/4
K:C
['G Gc cc cd ee fA AA']  
X:1
L:1/8
M:2/4
K:C
 G |"C" Gc cc | cd ee |"F" fA AA | A3 f |"G7" fd dd | dg gf |"C" ec"G7" dB |"C" c3 :|  