Yossi Green is a Hasidic Jewish composer of contemporary Jewish religious music. As of 2013 he had written more than 700 melodies in the genres of pop music, classical music, liturgical music, Hasidic music, and show tunes. His songs have appeared on more than 120 albums and CDs. His clients include most of the superstars of the Orthodox Jewish music world. He has released four greatest hits albums titled Shades of Green, and a solo album, The 8th Note. He regularly performs at charity benefits accompanied by popular Jewish singers under the rubric "Yossi Green & Friends".

Satmar is a Hasidic group founded in 1905 by Grand Rebbe Joel Teitelbaum, in the city of Szatmárnémeti, Hungary. The group is an offshoot of the Sighet Hasidic dynasty. Following World War II, it was re-established in New York.