Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
Q:1/4=120
M:6/8
K:Bmin
['B(d/c/B/A/) .B(FA)', 'B2 A B(d/c/B/A/) .B(FA) .d.d.d .d(FA) GBG', 'B2 B (Ad).d dcd (dfd) (ecA) (ga/g/f/e/)', 'B2 A dfa b3 (ab/a/g/f/) a3 (ga/g/f/e/)']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:Bmin
"^Cheerfully" A | B(d/c/B/A/) .B(FA) | .d.d.d .d(FA) | B(d/c/B/A/) .B(FA) | (DFA) B2 || A | 
 B(d/c/B/A/) .B(FA) | .d.d.d .d(FA) | GBG FAF | DFA B2 |] | B | (Ad).d dcd | (dfd) (ecA) | 
 (ga/g/f/e/) .f(dB) | AFA B2 || A | dfa b3 | (ab/a/g/f/) a3 | (ga/g/f/e/) fdB | AFA B2 |]  