Ecos Perdidos (2020) Echo, echo… Echo, echo… There is nothing more to say WORLD PREMIEREFestival Aires, Mexico city, Mexico, 2020Performed by Trio Siqueiros Ecos Perdidos is recorded by Trio Siqueiros on Tagma Records catalog “Axel Retif: Sincronías ”TAG001 – 2021 perusal score Request Full Score