For the adjective, see the Wiktionary entry quasi. For the musical instruction, see Glossary_of_musical_terminology#QQuasi is an American indie rock band formed in Portland, Oregon in 1993 by former spouses Sam Coomes (vocals, guitar, rocksichord, various keyboards) and Janet Weiss (vocals and drums). Joanna Bolme performed and recorded with the group as a bassist from 2007 to 2011.