Here's the song from your program in MML, by the way:
BGMSETD 128,@BGM
BGMPLAY 128
@BGM
'Melody
DATA":0 @256L12O3Q4
DATA"[B[GEB]2G<D>BG<DC#>BGE<C>BA<C>BGE
DATA"[B<D#>]2[B<F#>]2B]
'Bass
DATA":1 @256L12O2V60Q4
DATA"R24[[E]8[G]4[E]4[A]6[E]2[B]6[G]2]
DATA 0
1そうだね 未プレイ