Voices of Sinai Is Getting Ready for the High Holidays: Tuesdays, August 29, September 5, 12 and 19 at 7:00 pm. Join Voices of Sinai (Kolot Sinai) and attend the rehearsal to practice for upcoming Rosh Hashanah and Yom Kippur services. 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.