Lemmer was born and raised in Borough Park, Brooklyn, in New York City. He is a fifth-generation American, from a Hasidic family of the Belz movement. Belz is a town in Galicia, in eastern Europe, where the Belz dynasty originated. Lemmer is the youngest of eight children. Lemmer studied at the Belzer Cheder in Borough Park, and attended the Mirrer Yeshiva in Jerusalem, living in Israel for six and a half years. He began performing at small family events when he was 10 years old; when he was 13 his sister Tzippy, who later died at 23 years of age in a car accident a few weeks after she was married, encouraged him to perform on stage at a brother's wedding. His older brother, Yanky, is the cantor in Manhattan's Lincoln Square Synagogue. Before becoming a full-time singer, Lemmer was the director of marketing at a technology firm start-up based in Williamsburg, Brooklyn. He also still works as a cantor during the High Holidays at Congregation Ahavath Torah, a Modern Orthodox synagogue in Englewood, New Jersey.
Musical career
Lemmer is a tenor. He has not had any formal training; he researched vocal training on YouTube and Google, and learned how to perform "on the job". He released an album in 2015 entitled Shulem. He is the first born-and-raised Hasidic Jew to sign with a major record label, having signed with Universal Music Group under its classical music Decca Gold imprint. Lemmer consults with a team of rabbinic advisors; his contract stipulates that he can refuse a performance for any reason. In April 2019, Lemmer sang “God Bless America” at Citi Field. He has toured in American and Israeli cities, and sung in London, Krakow, Frankfurt, and Zurich. The music on his November 2019 major labeldebut album, The Perfect Dream, is produced by Jon Cohen and accompanied by London's Royal Philharmonic Orchestra. It consists of English, Hebrew, and Yiddish songs, including the Israeli song “Jerusalem of Gold,” and “Bring Him Home” from the Broadway musical “Les Misérables.” Other songs are the ballad "Hushabye Mountain" from the movie Chitty Chitty Bang Bang, "When You Believe" from the animated movie The Prince of Egypt, Louis Armstrong’s jazz song “What a Wonderful World,” Paul Simon's "Bridge Over Troubled Water," "Avinu Malkeinu," Rodgers and Hammerstein’s “You'll Never Walk Alone” from the musical Carousel, and "The Prayer." The title track of the album, "The Perfect Dream," is an original song written for Lemmer by lyricist Don Black.
Discography
Shulem
The Perfect Dream
Personal life
Lemmer lives in the North Dover section of Toms River, New Jersey, having moved there with his family in 2017. He is married, and has three children. In 2019, he was awarded a Jew in the City All-Star Award.