Teiku, a Talmudic acronym that roughly translates to "unanswered question", was co-founded by pianist Josh Harlow and percussionist Jonathan Barahal Taylor to explore each of their family's unique Passover vocal melodies through improvisation and sonic exploration, performed in a quintet with Art Ensemble/Sun Ra bassist Jaribu Shahid and reedists Peter Formanek & Rafael Leafar.