Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:2/4
K:D
['fA BA', 'ed BA']  
X:1
L:1/8
M:2/4
K:D
 fA BA | fA BA | dc/d/ ef | ed BA | fA BA | fA BA | dc/d/ ef | ed d2 :: e | fa f>d | ed BA | 
 dc/d/ ef | ed BA | fa f>d | ed BA | dc/d/ ef | ed d2 :|  