Compose melodious music utilizing the prescribed letter representation and integrating the given thematic element.
X:1
L:1/8
Q:1/4=130
M:4/4
K:D
['B2 dB']  
X:1
L:1/8
Q:1/4=130
M:4/4
K:D
"Bm" B2 dB BAFA | B2 dB BAFB |"D" AF F2 DF F2 | AFdB ADFA |"Bm" B2 Bd BAFA | B2 dB BAFB | 
"D" AFAB dcdf |"Em" edef"D" d3 A ::"Em" e2 e f"Bm" d2 (3Bcd |"Em" edef"Bm" dBAB | 
"Em" e2 ef"D" d3 e |"Bm" fedB"D" ADFA |"Em" e2 e f"Bm" dB B2 |"Em" gB B2"Bm" defg |"D" afbf afeg | 
"Bm" fedB"D" ADFA :|"_Out""Bm" B8 |]  