Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
M:3/4
K:G
['Bc d3', 'G3 (G/A/) BB (B2 d)(f g)f (e2']  
X:1
L:1/8
M:3/4
K:G
 (DGA) | (B2 A)G Bc | d3 (d ed) | c2 (dc) (Bc) | A3 (DG).A | B2 (AG) Bc | d3 c (Bc) | A2 BA GF | 
 G3 || (G/A/) BB | (B2 d)(f g)f | (e2 d)c (.B.B) | (B2 c).d cB | A3 (dGA) | (B2 A).G (Bc) | 
 d2 (ge) (dB) | (A2 B).A GF | G3 ||  