The album's progress was also sidelined by health issues involving the members, with drummer Jerry Gaskill suffering a heart attack on two occasions,[6] and bassist and vocalist Doug Pinnick diagnosed with a lymph node infection.

[9] In August 2018, Pinnick announced that King's X had "officially decided" to make the follow-up to XV, explaining, "We had a meeting with our manager, and we said, 'Okay.

"[10] In October of that year, it was announced that the band had signed to the Australian independent record label, Golden Robot Records, who had planned to release their thirteenth studio album in the U.S., Australia and Europe sometime in 2019;[11] within the next few years, however, the album would face myriad delays, due to COVID-related manufacturing issues as well as the slow pace of the band working on new material.

[12][13][14][15] In April 2022, it was reported that the album had been mastered,[16] and a month later, King's X had signed to Inside Out/Sony Music and announced that the then-still-untitled record would be released on September 2, 2022.

[20] Sonic Perspectives gave it a 8.9 out of 10 rating and said "The marvel of Three Sides of One is you get the three unique voices and playing that converge into one glorious sound".

[21] Metal Injection gave it a 9 out of 10 rating, and raved "It's as if the band took some of the best pieces of their signature songcraft and put them all together specifically for Three Sides of One.