Writing in the name of the desolate church at Jerusalem he sounded the first trumpet-call of the crusades, though almost a century was to pass away before his note was repeated by Peter the Hermit and Urban II.'
To Miss Nightingale this proved the trumpet-call of duty.
Of C. coscoroba Mr Gibson remarks (Ibis, 1880, pp. 36, 37) that its "note is a loud trumpet-call," and that it swims with "the neck curved and the wings raised after the true swan model."
It happens too often that your trumpet call is unheeded.