Stefan Gruenwald is the owner of Clubland Records andalso a very famous german DJ since 1988.He started to produce in 1996 first the club project M.A.S. Project followed in 1997 by the worldwide famous project SM-Trax „Got The Groove“ which was licensed in the US by Groovelicious and went straight to No. 1 in the US Billboard Dance Charts back in 1999, some side projects like TV Junkeez, Black Jack and remixes have been done under different names like Steve Woods, Grynaldo or Clubland Allstars untill the last project Nightwachters in 2002.This progressive trance project Nightwatchers has been produced with the famous german actor Marek Erhardt and Bob Cruise who has been also involved in the SM-Trax Project.In 2007 the house project under the name of Oliver Backens & Stefan Gruenwald has been released on Clubland Records with their singles „Alive“ and „La Magia“ followed by his first solo single called „Anytime Is Housetime“.In the beginning of 2008 he did a collaboration with his old friend Jerry Ropero under the project name „Stefan Gruenwald vs. Jerry Ropero“. The production is a cover version of the old classic by “Baby D. – Let Me Be Your Fantasy” which contains versions by both of them so that both can show their skills and styles. It was released by Clubland / Kontor Records and it was a worldwide club smash played by all the important key DJ’s around the globe.The follow-up single „Everybody’s Got To Learn Sometime“ featuring Daniel Lopes on vocals was also a smash and released on Clubland / Kontor Records and was also licensed to NERVOUS Records in the USA.Also released in 2009 was a single by „Oliver Backens & Stefan Gruenwald“ featuring the great female vocalist „Ela Wardi“. They did a cover version of the old house classic back from the 90’s „Hold On (Tighter To Love) originally done by Kym Mazelle and Steve ‚Silk’ Hurley.2010 has started with a new single by „Stefan Gruenwald vs. Jerry Ropero“. This time they teamed up with Ela Wardi on the vocals and did a great cover version of Yazoo’s „Dont Go“ which was released on Clubland / Kontor Records in Mai 2010 with some great remixes.In 2012 a new „Jerry Ropero & Stefan Gruenwald“ single called "Canta" was produced this time with Monica Moss on vocals and this one was released by the spanish label „Blanco Y Negro“ worldwide followed in 2013 by the production „La Cancion Del Mariachi“ which has been released digitally with a great remix package and this one looks like a big worldwide smash again. The newest release in 2014 are new done remixes of "Canta" which has just been released digitally worldwide.