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Related to thorough bass: basso continuo
thor·ough·bassor thor·ough bass (thûr′ō-bās′, thûr′ə-, thŭr′-)
(Classical Music) Also called: basso continuo or continuo (esp during the baroque period) a bass part underlying a piece of concerted music. It is played on a keyboard instrument, usually supported by a cello, viola da gamba, etc. See also figured bass