Develop musical pieces that conform to the specified format and include the suggested musical theme.
X:1
L:1/8
M:6/8
K:Dmix
['', 'BAF ADD', 'd2 B AFA'  
X:1
L:1/8
M:6/8
K:Dmix
 uA"^Segno" |: vBAF ADD | FDD ADD | BAF ADD | FEE EFA | BAF ADD | (FD)F d2 e | fed dcB | AGF EFA :: 
 (vd/e/f).ue d2 B | AFA AFA | (d/e/f).e d2 f | ede fdB | (d/e/f).e d2 B | AFA ABd | gfe fdB | 
 AGF EFA"^Segno""_D.S." :|  