Jonathan Axelsson was born in Sweden, and got in touch with music very early in life since both his father and grandfather were musicians. As a young boy he started playing drums, and then continued with piano lessons.

In the mid 90's he discovered a new type of music that would change his life forever. The music he heard was deep house, and struck Jonathan's heart immediately. He now started to produce music in a more serious matter and in 1997 he got in touch with Johan Bacto, which later formed the label PlackTown Sounds. Jonathan was now known as Ronin, and made a lot of releases on the PlackTown Sounds imprint. With a lot of great feedback from radiostations, magazines, DJ..s and even television, Ronin continued on the path of sensual, moody deep house.

His music was reaching out to the world, and in the year of 2001 he released a mini LP on Chris Grays label, Deep4Life in Chicago. Chris gave Jonathan his second artist name J. Axel, and he was now focusing on vocal deep house, and he started working with vocalist Astrid Suryanto. He still produced instrumental deep house as Ronin, and in 2002 he made a release on Timewriter's label Driftwood. In late 2004, Jonathan completed his album, "Deepness Is Served", which was released 31st of July 2006 on the German record label Bohéme. This album was later digitally re-released by Plastic City.

Jonathan has released on various labels, contributed with music to many compilations, as well as DJ:ing in alot of clubs over the years. His releases and DJ-sets have always been criticaly acclaimd, and its a fact that he will keep on delivering music with presence and luxury, which touches mind, body and soul.