Afterwards he joins “Bollate Stick Summit 2005”, on the 27-28-29 May 2005, an event totally dedicated to the stick, on the occasion of which he performs as special guest alongside of three among the biggest experts of this fascinating and innovative instrument: Bob Culbertson, Andre' Pelat, Virginia Splendore.

In the meantime, the trio with Hommerson and Gregolin has been consolidating since their exhibition at the Eurobass Day 29/10 02/11 2004, going by the name of EURO-GROOVE-DEPARTMENT; on the occasion of “Noibassisti In Villa 2005”, on the 24 July, they performed alongside with Steve Lawson, Lorenzo Feliciati Band, Maurizio Rolli Big Band, Andrea Lombardini Trio, presenting live their first record:

"OPTICAL ILLUSION" , this is the name of the album which includes collaborations with: Michael Manring, regarded as one of the greatest solo bassists in the world, probably the third pillar in chronological order concerning technical/expressive innovation of electric bass, after the legendary James Jemmerson (Motown) e Jaco Pastorius.

Emanuele Cisi , one of the most important Italian jazz saxophonists on the international scene.
Euro Groove Department performed live together with William Stravato, astounding Roman guitarist very active and esteemed on the Jazz and Fusion scene in Italy, collaborator of trade magazines such as Axe.

On the occasion of “NoiBassisti In Villa2006” he performed alongside with Andrea Lombardini and other worldly renowned artists of caliber of Bryan Beller (Steve Vai, Mike Keneally…), Adam Nitti (Dave Weckl Band…); the event was attended also by Marco Minnemann, Jeff Berlin and many more.

Marco actively collaborates with Yamaha Musica Italia, testing prototypes (acoustic and electronic drums).
Just in the test field he collaborated with Stefano Zeni on the violin and Fabio Casali on the guitar.

From 1994 to 2001 he collaborates with the rock band INEDITO, with which he plays in most clubs of North Italy, he takes part in TV shows (Roxy Bar,Bande sonore, etc.), radio shows and big festivals (I TIM TOUR 2001...).

Already in 2002 he started the collaboration in the POP/ROCK field with the eclectic singer-songwriter of British background, Jenson, with whom he produced an LP, LEGEND OF MUSIC published by DDe Records at the beginning of 2006, on the occasion of which he held the office of arranger and co-producer, as well as performer.
Together with Jenson, he subsequently wrote and produced Welcome To Magic, single played by about a hundred radios worldwide.
.