Aleph-1 is a project by Carsten Nicolai aka alva noto. Aside from his sound works under those pseudonyms, Aleph-1 is electronic music with an acoustic sound aesthetics that was especially developed for the IDEAL Recordings label. The concept of Aleph-1 derives from the theories of the mathematician Georg Cantor, who was teaching in Halle, Germany, a city, to which Nicolai is deeply connected with through his family. The sound pieces of Aleph-1 deal with the idea of infinity in terms of structure and length.