El balon alegre   Creator:   Contreras, Silvio ( composer ) Alvarez, Rene ( Performer ) Rene Alvarez y su Conjunto ( performer ) Format:   1 reel-to-reel tape ; analog, 33 1/3 rpm, stereo Subjects.Display:   Popular music -- Cuba Source Institution:   Florida International University Donor:   Andrew Kaufman El balon alegre	Ya esta el cafe   Creator:   Contreras, Silvio ( composer ) Orquesta Novedades ( Performer ) Format:   1 reel-to-reel tape ; analog, 33 1/3 rpm, stereo Subjects.Display:   Popular music -- Cuba Source Institution:   Florida International University Donor:   Andrew Kaufman Ya esta el cafe