2013. In April 2014 they supported TesseracT in their North American tour, as well as serving as the live backing band for one man progressive outfit Cloudkicker's live debut. In 2015, the band released their fifth album, "The Direction of Last Things". In 2018, Intronaut fired their drummer, Danny Walker, following allegations of domestic abuse. In 2020, after 5 years without new music, the band entered the studio with Alex Rüdinger performing as a session drummer to fill the vacant spot left by Danny. The album that was born of this is "Fluid Existential Inversions", which is intronaut’s sixth full length studio album. Musical style Intronaut's sound is influenced by a wide variety of genres, with songs frequently transitioning from heavy distorted portions into ambient jazz-infused soundscapes. The guitar work is based around distorted and sometimes fuzzed tones. Guitar parts include anything from driving head-banging riffs to dissonant ones. Various metal genres are represented in Intronaut's songs. These genres include heavy metal, stoner metal, post-metal, and sludge metal. Bass guitar is a prominent feature of Intronaut's sound, often serving as the primary melodic component of certain riffs. The use of fretless bass guitars on numerous songs adds to the prominence of bass guitar in Intronaut's songs and reflects the influence of jazz, a genre in which fretless bass guitar is common, on the band's sound. Intronaut's songs frequently shift between intense metal sections and jazz-inspired ambient sections. These jazz-inspired passages employ jazz chord shapes and tones with heavy reverb to create ethereal breaks from their more intense riffs. Vocal tones include screaming, growling, and melodic singing, often featuring elaborate harmonies. The drum performances focuses heavily on polymeters and polyrhythms, typical of the jazz, progressive, and various metal genres that influence Intronaut's sound. Intronaut often incorporate more experimental, psychedelic passages into their songs as well, utilizing unique instruments such as sitars and hand percussion. Intronaut have frequently been compared to other progressive oriented sludge metal acts such as Mastodon and Baroness, though the band members have denied that the latter was ever a significant influence on their sound. A marked stylistic change came when clean vocals were introduced on their album Valley of Smoke. Intronaut's clean vocals, consisting largely of harmonisations between guitarist/vocalists Dunable and Timnick, has frequently been compared to Alice in Chains. Habitual Levitations used clean vocals almost exclusively and was also largely devoid of the band's earlier extreme