premise: Joni Mitchell released an album.
hypothesis: Dog Eat Dog is the 12th album by Canadian singer-songwriter Joni Mitchell , released in 1985 . Joni Mitchell . Some of her original songs ( `` Urge for Going '' , `` Chelsea Morning '' , `` Both Sides , Now '' , `` The Circle Game '' ) were covered by folk singers , allowing her to sign with Reprise Records and record her debut album in 1968 . Her 1971 recording Blue was rated the 30th best album ever made in Rolling Stone 's list of the `` 500 Greatest Albums of All Time '' , the highest entry by a female artist . She is the sole producer credited on most of her albums , including all her work in the 1970s . A blunt critic of the music industry , she quit touring and released her 17th , and reportedly last , album of original songs in 2007 .