CPA Acts16:25 :ܦܘܠܘܣ ܘܫܝܠܣ ܡܢ ܡܨܠܝܢ ܗܘܘ ܡܫܝܪ̈ܝܢ ܠܐܠܗܐ‏ : Paul and even Silas were praying singing to God
See the entire entry for šyr vb. to sing