Create a musical piece with the provided alphabetic notation system and theme.
X:1
L:1/8
M:4/4
K:Bmin
['Bffd gefd', 'edcA fBBc cdBc', 'Bffd gefd']  
X:1
L:1/8
M:4/4
K:Bmin
|: Bffd gefd | Bffd edcA | Bffd gefd | eaaf edcA :: fBBc cdBc | fBBc edcA | fBBc cdBc | 
 eaaf edcA :| Bffd gefd | B2 d c2 BAc | Bffd gefd | e2 d c2 BAc | Bffd gefd | Bdc d2 cBA | 
 Bffd gefd | ec c/c/c dcBA | fBBc cdBc | B2 d c2 BAc | fBBc cdBc | ead c2 BAc | fBBc cdBc | 
 Bdc d2 cBA | fBBc cdBc | eaaf edcA ||  