if your new to dnb, then your more likely to wanna listen to the newer stuff as opposed to the older stuff. its down to personal opinion, but these are some of my fave producers, and all of them have big tunes, so download songs by these guys
Sub Focus, Logistics, Original Sin, Danny Byrd, Chase & Status, DJ Hazard, Brookes Brothers, Heist, Commix, Taxman, Sigma, Break, Nu:Tone, Nero, TC, Clipz, Spor, Camo & Krooked, Dirtyphonics, Bachelors of Science, Blame, Culture Shock, Crystal Clear, High Contrast, DJ Pleasure, Xample, Lomax, Klute, SPY, Noisia, Spectrasoul, Serum, Zero G, Matrix, Futurebound, Shock One, Metrik, Mutated Forms, Jaydan, Prolix, Shimon, Baron, Apex, Q Project, Cyantific
hope this helps