Someone wrote in the IMDB that "ABC Pictures wrote off a total in excess of $1 million after the film's box office failure." Source: Unknown https://www.imdb.com/title/tt0066393/trivia?ref_=tt_ql_trv_1 The website Ultimate Movie Rankings reports that the film earned $13.5 million at the box office, making it the 28th most popular film of 1970. Source: Unknown https://www.ultimatemovierankings.com/1970-movies Wikipedia states that the film took in $7.9 million at the box office against a budget of $3.625 million. Source: Variety But Wikipedia also says that "It earned rentals of $4.4 million in North America and $3.5 million in other countries, recording an overall loss of $1,075,000." Source: Also Variety. https://en.wikipedia.org/wiki/Song_of_Norway_(film) You can take all that for what it's worth.