Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:6/8
K:D
['dcd B2 e', 'def g2']  
X:1
L:1/8
M:6/8
K:D
 ABc dcd | B2 e e2 d | c2 a a^ga | f2 d dcB | AA/B/c dcd | B2 e e^de | cea gec | d3 d2 :| 
 f^ef def | g2 g g2 f | e^de cde | f2 f f2 A | d2 d def | g2 B e2 d | ce/f/a gec | d3- d2 :|  