Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
Q:3/8=88
M:6/8
K:C
['B2 G-']  
X:1
L:1/8
Q:3/8=88
M:6/8
K:C
 Gcc cBA | B2 G- G3 | Gcc cBA | B2 G- G2 z | _eee edc | d2 _B- B3 | Gcc c=BA | B2 G- GAF | G6- | 
 G2 z4 ||  