India, July 29 -- Cult folk singer Linda Perhacs, whose 1970 album Parallelograms later became a psychedelic folk classic, is reportedly missing. The 82-year-old musician has not been seen for months, according to her longtime collaborator and co-producer Fernando Perdomo, who has now publicly appealed for information about her whereabouts.

Perdomo claims he has been unable to locate the singer after learning she was discharged from a Los Angeles healthcare facility several months ago. Here's everything we know.

Who Is Linda Perhacs?

Linda Perhacs is an American folk singer and songwriter best known for her 1970 debut album Parallelograms. Although the record received little commercial attention upon release, it was rediscovered decade...