Interstate Music Ltd. has been releasing many genres of music for more than 25 years; initially Blues, R'nB, and Jazz, this has now come to comprise:-
Country & Western, Western Swing (Country Routes - Krazy Kat),
Blues, R'nB (Flyright),
Latin American, Tango, Jazz, and Spike Jones (Harlequin),
World Music (Heritage),
Pre-War Blues (Travelin' Man),
Piano Blues (Magpie)

Also, now incorporating the Jazzband Catalogue