- Metabolizm Records (CA)
- Paleo Records (Mex)

Carlos Antonio Prieto a.k.a "Hatzá Ha" is a psytrance producer from Mexico City.

Currently signed with two national labels of name: Paleo Records under the license of Israel Noren.

He began his interest in music at 10 years of age leading him to study various types of musical styles and genres.

At 13 years old he began to study the genre of psytrance by starting 2 years ago his project as "Hatzá Ha."

Hatzá has sought to implement and revolutionize the psytrance scene with its varied musical style in: spatial, ethnic, psychedelic and a bit experimental atmospheres, bass with too much power having an exact result for the psytrance genre, twisted and robotic leads that make its style be unique.