Real name: Federico Cardoso

Music producer from Buenos Aires, Argentina.

Started his music career playing guitar and bass in some bands, in 1994 he started to compose using "trackers" and released several songs in the "demo scene". He moved to goa and psychedelic trance, forming Ashtar with Jorge Campos. In 1999 he joined Mindprobe , where he started performing live, which lead to tour around Argentina and in Chile in 2003 for Earthdance Festival.
QOP originally started as a side project by Federico and Diego Juarez, as a demoscene and music band.
Currently he is working on a solo project called Nuxar.