Savage Sinusoid is the third album by Gautier Serre, under his alias Igorrr, released on Metal Blade Records on June 16, 2017.

[7] Serre cited Taraf de Haïdouks, Cannibal Corpse and Aphex Twin as inspiration for the album.

Metal Injection, as well as giving it a perfect 10/10 score, named it the "Batshit Crazy Album of the Year".

In a world where we argue from the mainstream radio to the underground scene, Igorrr is a breath of fresh air.

"[8] Dom Lawson of Metal Hammer wrote, "Igorrr exist in a world where borders between genres are non-existent and anything is possible, albeit with a preference for being wildly unpredictable", and saw "much subtlety offsetting the shifts of pace and mood and some spellbinding moments of serene but subversive finesse", concluding: "If only more metal records were this barmy.