From Longman Dictionary of Contemporary Englishsing out phrasal verb1 SHOUT sing out (something) to shout or sing some words clearly and loudly ‘Freeze!’ a shrill voice sang out.2 American English to sing loudly so that people can hear you easily → sing→ See Verb table
Examples from the Corpus
sing out• And the tower is the centre of attention every May morning when the choir sings out across the rooftops.• Together the band of women wailed and sang out, beating cymbals and drums.• The occasional mighty line sings out, but on the whole it just tells a good story extremely well.• Moments later we passed the stump of a tower, and the student sang out the date it was built: 1170.• Soon the chain was singing out through the foliage, cutting empty avenues through the greenery.• A fairly neutral background will make any small splash of colour sing out with particular vibrancy and significance.sing out (something)• And the tower is the centre of attention every May morning when the choir sings out across the rooftops.• Together the band of women wailed and sang out, beating cymbals and drums.• The occasional mighty line sings out, but on the whole it just tells a good story extremely well.• George sang out for us to look up ahead, that here come just what we been looking for.• Gougére for supper, she sang out: Thérèse, find the recipe for me.• Moments later we passed the stump of a tower, and the student sang out the date it was built: 1170.• Soon the chain was singing out through the foliage, cutting empty avenues through the greenery.• A fairly neutral background will make any small splash of colour sing out with particular vibrancy and significance. 