Test the sound quality of audio tracks available for free on iSong4U. Announced for the first time on Feb 16, 2017, the album was recorded on professional equipment in the Pop genre. Teorías y escuelas, Cálculo racional, Psicoanálisis, Matar al presidente, Regeneracionismo, La paradoja de St. Petersburgo, Marxismo - Leninismo, Las 95 tesis are all fan-favorite tracks from the Teorías y Escuelas release. All songs from the album Teorías y Escuelas by Ayala are available for listening. The total number of musical compositions included in the release of Ayala is 8.
