What do you call the World's only Pop-Klezmer-Jazz-Yiddish-Hebrew-Country-Western-Band with no Instruments? Using only their voices, LISTEN UP! Delivers a groundbreaking sound in Jewish music. On their new release, traditional folk songs collide with a dozen musical styles packed with beautiful harmonies, knock-yer-socks off (vocal) percussion, and humor. LISTEN UP! Has been performing for audiences throughout the US and Canada since 1992.