Live music wasn't at all usual in places like this.
They became usual with field artillery early in the 19th Century.
We had, of course, the experience usual in all such investigations.
They got it, after the delays usual in such cases.
Return rates of less than 50% are usual in other countries.
That is a rate 50 times higher than usual in entire galaxies.
Maybe this sort of thing was too usual in these acts.
But as is usual in war, the cost has been heavy.
They will also indicate what is usual in the particular trade.
As is usual in such cases, a number of factors were involved.