Compose a musical piece utilizing the given motif as the foundation while maintaining the required musical form.
X:1
L:1/8
Q:1/4=120
M:3/4
K:Cmix
['(3GAB c2 c2 dB', 'F2 G2'  
X:1
L:1/8
Q:1/4=120
M:3/4
K:Cmix
"^Sadly" (3GAB | c2 c2 dB | A2 GFED |{C} F2 G2 FE | D4 (3GAB | c2 c2 dB | AG F2 GA | FD C2 C2 | 
 C4 || CD | E2 EGFE | D2 C2 DE | F2 G2 FE | D4 (3GAB | c2 c2 dB | AG F2 G2 | FD C2 C2 | C4 ||  