Additionally, the koto music (e.g. Danmono (leveled pieces), Yamada school's Utamono (accompanied singing in which the singing is emphasized over the instrumental part), and Yamada school's Danmono) and, in rare cases, kokyu honkyoku (kokyu pieces composed in the early days), such as 'Okayasu-ginuta' (a piece for koto composed by Kosaburo OKAYASU but originally a kokyu piece), are also performed in sankyoku gasso.
他に箏曲（段もの、及び山田流箏曲の歌もの、段もの）、まれに胡弓本曲（「岡康砧」など）も三曲合奏される。