Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:9/8
K:Bmin
['Tf/e/ dBB BdA Bde', 'B<B a/g/ fga afe def f>ed def']  
X:1
L:1/8
M:9/8
K:Bmin
 Tf/e/ | dBB BdA Bde | Tf>ed d>e A2 Tf/e/ | dBB BdA Bde | fgf e>de/f/ B<B || a/g/ | fga afe def | 
 f>ed def A2 Tf/e/ | dBB BdA Ba a/g/ | Tf>ed def B<B ||  