- Projects - projekt - Progetti - Prjkts 
 ⁃ ELENA SOMARE´ - Art Whistler Mats Hedberg - Lincoln Almada - Gianluca Massetti - Morgan Ågren - Bernhard Wöstheinrich 
 - VARGTONPROJEKT - Progxprimetal Mats Hedberg - Morgan Ågren - Hans Lundin - Björn Jansson - Giovanni Imparato Lorenzo Feliciati - Fabrizio Sciannameo - Alessandro Gwis - 
 - KREUZBERG EPISODES - Electronic Mats Hedberg - Bernhard Wöstheinrich - Volker Lankow 
 HEDBERG - WÖSTHEINRICH - Electronic Mats Hedberg - Bernhard Wöstheinrich 
 ⁃ NEAPOLITAN CONTAMINATION – NEACO - Napoli & Beyond Giovanni Imparato - Mats Hedberg - Aldo Perris - Davide Grottelli - Anna Rita Di Pace - Antonio Carluccio - Luigi Carbone
 - STOCKHOLM VS NAPOLI - Instant Music Mats Hedberg Giovanni Imparato 
 - HEDBERG HÄGGNER - Swedish Melodies Mats Hedberg - Christer Häggner
 - NORDIC ELEMENTS - Modern Classical Mats Hedberg - Stefan Pöntinen 
 - IKONA - nujazz Mats Hedberg - Antonio Magli 
 - SHARDS - Dark Acoustic Metal - Mellissa Gray - Rufus Barnes Miller - Mats Hedberg - Giovanni Imparato - Tony Brewster - 
 - HANG CAMERA & POLLOCK PROJECT - ArtJazz Marco Testoni-Simone Salza-Elisabetta Antonini-Mats hedberg 
 ⁃ BFH - Trio progressive hard Mats Hedberg Maurizio Boco Lorenzo Feliciati