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
['B,DF Bcd cAF TF3 gfe dcB ABc', 'F3 f3 (f/e/dc) c3 =B3 Gfe dc=B']  
X:1
L:1/8
M:6/8
K:Bb
|: B,DF Bcd | cAF TF3 | gfe dcB | ABc cAF | DFB BFD | EGc c2 B | ABG FG=E | F3 F3 :: f3 (f/e/dc) | 
 c3 =B3 | Gfe dc=B | cGE C3 | e3 (e/d/cB) | B3 A3 | Fed cBA | BFD B,de | fdB Bdf | ecA Ace | 
 dBG GBd | cAF TF2 E | DFB BFD | EGc cde | dfB ceA | B3 B,3 :|  