Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
Q:1/8=150
M:2/2
K:D
['(3ABA (3GFG', '(3aba (3gfg', 'A2 G2', 'a2 g2']  
X:1
L:1/8
Q:1/8=150
M:2/2
K:D
 AG | FAGF EGFE | DFED CECA, | DCDE FEFG | AdcB A2 FG | (3ABA (3GFG (3ABA (3GFG | 
 (3ABA (3GFG FDEC | DEFG AdcB | AGEC D2 :| (3ABc | d2 dd dfed | gfed edcA | dcde fefg | 
 abc'b a2 fg | (3aba (3gfg (3aba (3gfg | (3aba (3gfg fdec | defg ad'c'b | agec d2 :| 
"^simplified version" AG | FAGF EGFE | DFED CECA, | DCDE FEFG | AdcB A2 FG | A2 G2 A2 G2 | 
 A2 G2 FDEC | DEFG AdcB | AGEC D2 :| (3ABc | d2 dd dfed | gfed edcA | dcde fefg | abc'b a2 fg | 
 a2 g2 a2 g2 | a2 g2 fdec | dBAG AdcB | agec d2 :|  