1979
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?
CC BY-SA 3.0
2011-07-16T08:14:24.167
1975
2011-07-16T09:48:56.867
69
question
translation
What's does 仮歌 mean here?
>
> 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.
CC BY-SA 3.0
2011-07-16T09:48:56.867
1979
2011-07-16T09:48:56.867
499
1975
answer