While pretty much any great, rockin’ song can sound that much better whilst completely cranked, I think sheer volume adds most to a truly relentless riff. When the riff is just bone-crushing and repetitive the loud volume hits me with wave after wave of saturation…
With that I mind, I humbly nominate:
**Just One Fix ** - Ministry - the most relentless riff I can think of
**Only Shallow ** - My Bloody Valentine - they’re all about the saturation and volume…
Unlikely nominee, but I have no music cred: “Uninvited”, by Alanis Morisette. It’s got a nice range of dynamics, starting quiet and plaintive, but then the end just builds to this huge, almost (but not quite) wall of sound like explosion that really works best when it’s turned up to 11.
Sure, it’s not a rocking rock song with shredding guitar solos, but I think it’s only an okay song at quiet levels, and an awesome song at high levels (literally awesome: it makes me close my eyes and bask in it with awe as the waves of sound pour over me) - hence, “most improved”.
Much of Gov’t Mule’s catalogue. I think #1 would be their cover of How Many More Years.
Rhymin’ and Stealin’ by the Beastie Boys. Musically it’s Sweet Leaf + the drum intro from When the Levee Breaks (a good choice on its own), so it has to be played loud. No Sleep 'Til Brooklyn and Sabotage merit cranking as well, come to think of it.
Toadliquor’s arrangement of the opening of Also Sprach Zarathustra. It sounds good played by a trumpet, and even better played on a wildly downtuned guitar.