What's does 仮歌 mean here?


I'm having trouble understanding this rock star's tweet:

たまーに仮歌とか流れてくる笑RT @maoloveai: @mao_sid シド率はどのくらいですか(^0^)？

What is 仮歌？

What does that tweet say?




>
> 口でメロディーを歌うデモテープの場合は適当な言葉をあてがうことが多く、この状態のものを「仮歌」と呼び、仮歌を専門に歌う「仮歌シンガー」と呼ばれる歌手もいる

[from
wikipedia](http://ja.wikipedia.org/wiki/%E3%83%87%E3%83%A2%E3%83%86%E3%83%BC%E3%83%97)

So I'm not 100% sure but they are probably talking about some early prototype
of a song which still uses some temporary random lyrics for the time being.




>
> 口でメロディーを歌うデモテープの場合は適当な言葉をあてがうことが多く、この状態のものを「仮歌」と呼び、仮歌を専門に歌う「仮歌シンガー」と呼ばれる歌手もいる

[from
wikipedia](http://ja.wikipedia.org/wiki/%E3%83%87%E3%83%A2%E3%83%86%E3%83%BC%E3%83%97)

So I'm not 100% sure but they are probably talking about some early prototype
of a song which still uses some temporary random lyrics for the time being.

