sentences:  From 1981 to 1983 Hathut released a series of seventeen albums on the hat MUSICS label.From 1981 to 1987 Hathut released a total of fifty-one albums in the initial hat ART LP series, many of which were packaged in fold-open cardboard box like sleeves which sometimes included postcards, additional 45rpm EPs, 7" singles, or single sided albums.Hathut began releasing compact discs on the hat ART label in 1988 with a 6000 series catalog numbers featuring new music and reissues of vinyl albums, sometimes with additional material.