Tracto, video and electroacoustic version will be showcased at the NeMaf Festival, 14 Seoul International NewMedia Festival, held from 7 to 15 August 2014. This video creation by visual artist Marta Azparren with music by Sergio Blardony and collaboration of saxophonist Andrés Gomis, was held as part of the show "La geometría y el temblor" but has since been widely circulated as a separate work in festivals around the world.

Tract v.2, the instrumental version for bass saxophone, electronics and video of this video creation by Marta Azparren with music by Sergio Blardony, can be heard in the Musical Nights of El Carmen, which take place at the CSM Manuel Castillo of Sevilla, on Thursday 5 June at 8,30 pm. The work will be performed S3 (Spectral Sax Style), duo of Jesús Núñez (saxophones) and composer Juan de Dios García Aguilera (electronics), will perform a program that, in addition to Tract v.2, includes works by A. Teruel, F. Villanueva, R.Lemay, J. de Dios García Aguilera, E. Vadillo and A. Fuentes.