Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
['A2 A2', 'f2 f2']  
X:1
L:1/8
Q:1/2=90
M:2/2
K:D
"^s-q in ms" FG | A2 A2 A2 FA | BcdB A2 FG | ABAF ABAF | GABG E2 FG | A2 A2 A2 FA | BcdB A3 d | 
 cdef gedc | d2 d2 d2 :: de | f2 f2 f2 ef | gfed dcBA | FAdf edcd | edcd e3 a | f2 f2 f2 (ef) | 
 gfed dcBA | FAdf gedc | d2 d2 d2 :|  