Compose tunes based on the given letter-based musical structure and the supplied motif.
X:1
L:1/8
M:6/8
K:Emin
['g dBB BAB', 'E2 g dBB BAB dBB BAG ABc', 'gfg aga', '', 'fg/a/) bag agf gef g2 e dBB']  
X:1
L:1/8
M:6/8
K:Emin
 g | dBB BAB | dBB B2 g | dBB BAB | GEE E2 || g | dBB BAB | dBB BAG | ABc BAB | GEE E2 :: d | 
 gfg aga | bge edB | gfg aga | bge (e || fg/a/) || bag agf | gef g2 e | dBB BAB | GEE E2 :|  