concert pitch

They feel these things are essential to the acquiring of a fine technic, and keeping it up to concert pitch.

Mrs. Barrast was always screwed up to concert pitch and never gave herself, or any one in her vicinity, a single moment of peace.

From the rooms in the rear came the words of a gospel hymn sung in a tremulous soprano and at concert pitch.

Every workman is kept up to concert pitch, and the maximum work per man is obtained without resort to driving or rushing.

Hands grow busy, the noise recommences, and in a few minutes the buzz rises again to concert pitch.