MD Concerts and it’s front man Mario Diaz’ journey began in 1993 as a Promoters Assistant in a three back-to-back sold-out Cindy Lauper’s shows in South America. After that MD was bitten by the music worm and decided to move to Atlanta, where he worked as a Lighting Technician for R.A Roth Lighting Co. in tours like “Back to School Tour” in 1996 with artists like Keith Sweat, SWV, Monica and Bone Thugs n’ Harmony; at the grand opening of the former House of Blues -now the iconic Atlanta venue “The Tabernacle” with the band George Clinton and the P-Funks.