Craft melodious tunes in accordance with the outlined letter representation and the provided thematic element.
X:1
L:1/8
M:2/4
K:Bb
['dd d/c/B', 'c/=B/c/d/ ec BG B2 A/G/A/c/']  
X:1
L:1/8
M:2/4
K:Bb
"Bb" dd dd | d/c/B B2 | dd d/c/B |"F7" .f2 !>!e2 | cc cc | (c/B/A) (Ae/d/) | cB (Ac/B/) | AG F2 | 
"Bb" dd dd | d/c/B B2 | dd d/c/B |"Eb" .G2 !>!E2 |"F7" FF/G/ A2 | AA/B/ c2 | ee e/d/c |"Bb" gf f2 | 
"F7" FF/G/ A2 | AA/B/ c2 | ee e/d/c |"Bb" .B2 .B2 ::"Bb" (fd) (BG) | F4 | (BA) (cB) | d4 | 
"F7" ed cB | .A2 .G2 | FG AE |"Bb" D3 z | (fd) (BG) | F4 | (BA) (cB) |"Eb" G4 | GG/G/ GA | 
"Bb" Bc .d2 |"F7" ff/f/ fe |"Bb" dc .B2 :|[K:Eb]"Eb" (Be) gg | BB B2 | Bd e>c |"Bb7" d2 z2 | 
 Ad ff | AA A2 | Ad f>e | d2 z2 |"Eb" Be gg | BB B2 | Bd e>e |"Fm" f2 z2 |"Ab" c/=B/c/d/ ec | 
"Eb" BG B2 |"Bb7" A/G/A/c/ B2 |"Eb" G/E/G/c/ B2 |"Ab" c/=B/c/d/ ec |"Eb" BG B2 | 
"Bb7" A/G/A/c/ B/A/G/F/ |"Eb" EE E z |]  