Voices of Sinai Is Getting Ready for Kabbalat Shabbat: Wednesday, May 3 and May 10 at 7:00 pm. Join Voices of Sinai (Kolot Sinai) and attend the rehearsal to practice for the upcoming Kabbalat Shabbat service on Friday, May 12. Hebrew fluency, prayer knowledge, and ability to read music are not required. All that is needed is an ability to listen to others’ voices, and a willingness to add your own. Drop-ins are welcome. To learn more about Kolot Sinai, click here.