Complex sentence: The album was released in Cuba and the US by Panart in 1957 under the title "Cuban Jam Sessions in Miniature", with the subtitle "Descargas"; other issues aimed at the Latin American market had the title "Descargas cubanas".
Split into simpler sentences: The album was released in Cuba and the US by Panart in 1957. The title in Cuba was "Descargas cubanas", which was translated in the US as "Cuban Jam Sessions in Miniature", with the subtitle "Descargas"; other issues aimed at the Latin American market retained the title "Descargas cubanas".