And then the hard part is filling it in with musical ideas, because then you have to think.  And then, when the piece takes somewhat of a solified form -- solidified, excuse me -- solidified form, you're supposed to actually polish the piece, polish the details, and then polish the overall performance of the composition.
それからアイデアで埋めていくのですが ここは頭を使わなきゃいけないので難しいです そして曲がどうにか… 固まった形になったら 曲の細々した部分を磨き上げていき それから曲全体を磨き上げます