For 90 minutes, Yaz turned out everything from gorgeous, poignant ballads like “Winter Kills” to full-on disco-stompers like “Situation” using little more than the technology of the cheapest cell phone and Moyet’s amazing voice to make them work.

For 90 minutes, Yaz turned out everything from gorgeous, poignant ballads like “Winter Kills” to full-on disco-stompers like “Situation” using little more than the technology of the cheapest cell phone and Moyet’s amazing voice to make them work.