Early recordings from 1981 without synthesizer, as discovered by her son Ravi Coltrane around 2004 and first released in 2021. The Alice Coltrane - Turiya Sings cassette tape released in 1982 has added synthesizer & strings. But as yet "the original Turiya Sings remains formally unreleased because the Coltrane family has never found its master synthesizer recordings" (Jenn Pelly, Pitchfork, 2021-07-17).