Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/4=120
M:6/8
K:Bmin
['B(d/c/B/A/) .B(FA)', 'dcd (dfd) (ecA) (ga/g/f/e/) .f(dB) AFA B2', 'b3 (ab/a/g/f/) a3 (ga/g/f/e/) fdB AFA'  
X:1
L:1/8
Q:1/4=120
M:6/8
K:Bmin
"^Cheerfully" A"^A" | B(d/c/B/A/) .B(FA) | .d.d.d .d(FA) |1 B(d/c/B/A/) .B(FA) | (DFA) B2 :|2 
 GBG FAF | DFA B2 |] B"^B" | (Ad).d dcd | (dfd) (ecA) | (ga/g/f/e/) .f(dB) | AFA B2 |] A"^C" | 
 dfa b3 | (ab/a/g/f/) a3 | (ga/g/f/e/) fdB | AFA B2 |]  