Compose a musical piece utilizing the given motif as the foundation while maintaining the required musical form.
X:1
L:1/8
M:3/4
K:none
["[K:C] gf ef ga bc' ^ga ef", 'c2 z2'  
X:1
L:1/8
M:3/4
K:none
[K:C] gf |:"C" ef ga bc' |"Dm" ^ga ef ^cd |"G7" Ba ge f2 |"C" ec' ba g2 | ef ga bc' | 
"Dm" ^ga ef ^cd |"G7" Ba ge fd |1"C" c2 z2 gf :|2"C" c2 z2 gg |:"C" g2 ec' ea | g2 ec' ec' | 
"G7" g2 Bg gB |"C" c2 gc' ba |"G7" g2 fd' fa |"C" g2 ec' ea |"G7" g2 Bf fB |1"C" c2 z2 gg :|2 
"C" c2 z2 z2 |]  