 In 1989 Janson recorded and released a solo album, "Livingroom", for which he was nominated a Swedish Grammis Award, equivalent to the Grammy in the USA.In 1992 Henrik teamed up with his brother Ulf Janson starting to write music arrangements for orchestras, both also working as conductors.Through the years they have collaborated with 
The London Royal Philharmonic Orchestra, The City of Prague Philharmonic Orchestra and 
The Royal Stockholm Philharmonic Orchestra.