Listen to Irving's Indefinite Integral online. Irving's Indefinite Integral is an English language song and is sung by Anti-Music, Noisy Friends, Chaos Meditations, Industrial Music Factory and Moon of Dwelling-Rungnir. Irving's Indefinite Integral, from the album Experimental Electronic Vol 2112 (Strange Electronic Experiments blending Darkwave, Industrial, Chaos, Ambient, Classical and Celtic Influences), was released in the year 2017. The duration of the song is 1:32. Download English songs online from JioSaavn.