In 1999 when he was only 16 years old he managed to get his first 3 year duration contact with Digital Underground (DU) part of Sony Music with the name Transfix.

During these 3 years 1999 - 2002 Harri presented his music in over 150 events all around Greece. He played music in historical clubs in Athens such as (Lobby, Loft, Umatic) etc.

From 2002 - 2004 he was an independent producer and continued playing his music in clubs and events .

In the next 3 years he was experimenting in several kinds of electronic music so in 2007 the project "Harri Agnel" was created.

His first release as Harri Agnel was in 2008 in Turkey from "No smoking recordings" and DJ Tarkan & V-Sag. "Room 205 EP” became very popular in its debut with the song "Nastazia" that succeeded to get number 43 in Top 100 in Beatport in between top names of worldwide Dance music industry.

Since then Harri is counting 22 releases. In 2010 he was recruited by "The Sound Of Everything Records" that till today he is a part and presents his work.

Harri also has written music for Spots & Short movies. In 2012 "Monsieur Minimal" proposed a corporation and since then are together in every Live Concert.

This year 2013 he got his own radio music show in "Join Radio" every weekend 00:00 - 02:00.