At age 18, Landberg left his current household to move back to Stockholm where he started playing guitar in several band constellations.
[2] In 2006, Jayce Landberg met rock vocalist Göran Edman, famous for his previous work with acts such as Yngwie Malmsteen & John Norum.
After signing his first Japanese record deal, Landberg moved briefly to San Francisco where he started writing material for his upcoming album.
[5] In 2009 Landberg hooked up with the Swedish band Europe's bassist John Levén and American vocalist Mark Boals (ex-Malmsteen, Ring Of Fire) to produce and record several new songs that were to be included on his second effort "Good Sleepless Night".
[7] Ullaeus has previously shot and continues to direct videos for bands such as Ace of Base, Europe, Rednex, Lutricia Mc Neal, In Flames etc.
A year earlier, in 2012, Landberg who had set out to record an accurate symphony rendition[clarification needed] of French composer Maurice Ravel's Boléro using only modern instruments, released for the first time in musical history, an entire electric guitar orchestration of Ravel's famous classical piece, composed of over 100 electric guitars, basses and drums, with each electric guitar replacing a violin, cello as well as any other classical instrument present in Ravel's original work, and in which Landberg performed each instrument.
entitled Masquerade and released digitally under the band name Inside Monroe in 2014, on which he handled all instruments and vocals except for the drums.
[9] Soon, the two of them developed an artistic bond and decided to team up with ex-Hammerfall drummer Anders Johansson who had shown interest in joining the new band.
The result became the supergroup Bleckhorn, a modern-sounding Scandinavian metal band lyrically influenced by Old Norse mythology on which Landberg played guitar and wrote all the songs.
By 2019, Landberg had completed almost all work on his third solo effort and signed a Master deal with GMR Music Group to finally release The Forbidden World, both physically and digitally on 13 November 2020.
He dislikes the use of plug-ins and similar recording techniques according to a show aired on 22 September 2020 on London based ARfm Radio.