Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
Q:1/2=75
M:4/4
K:Emin
['B,EEF GFED A,DFA GFED GFED EFGA Bedc', 'eBBB g2 fe']  
X:1
L:1/8
Q:1/2=75
M:4/4
K:Emin
 B,EEF GFED | A,DFA GFED | GFED EFGA | Bedc B2 E2 :: eBBB g2 fe | Adfa gfed | eBBB g2 fe | 
 gbag fagf | eBBB g2 fe | Adfa gfed | gbag fagf | egf^d e2 E2 :|  