Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:6/8
K:Bb
['BdB FDF', 'B,3 B,Bd fdB Ace gec dBf eca']  
X:1
L:1/8
M:6/8
K:Bb
|: BdB FDF | B3 F2 B | c2 d e2 d | cdB ABc | BdB FDF | GED Ccd | dfB ecA | B3 B,3 :: B,Bd fdB | 
 Ace gec | dBf eca | bfe dec | BdB FDF | GED Cce | dfB ecA | B3 B,3 :|  