Authors:

The moral effect of the thundering of one's own artillery is most extraordinary, and many of us thought that we had never heard any more welcome sound than the deep roaring and crashing that started in at our rear

Fritz Kreisler (2014). “Four Weeks In The Trenches; The War Story Of A Violinist [Illustrated Edition]”, p.19, Pickle Partners Publishing
The moral effect of the thundering of one's own artillery is most extraordinary, and many of us thought that we had never heard any more welcome sound than the deep roaring and crashing that started in at our rear