| Women follow with ululation as if an impromptu back-up choir. |
| A vocal quaver, a guitar trill, some new quick notes in a bass line, a flicker of extra drumming or a burst of ululation from the group's female singer, Wonou Wallet Sidati, all became events. |
| And an ululation as of one hundred thousand wolves answered me, yet deep and muffled, as though it came from the very bowels of the earth. |
| She also includes a five-strong 'village choir' with hand clapping and ululation. |
| Each of their selections was interspersed with musical interludes of singing, clapping, ululation and whistling. |
| She loves her show enough to know when it is time to say goodbye, she told her traumatised audience. The sound of ululation could be heard from sea to shining sea. |
