In 2021, she co-founded the musical duo Lunge (stylized in all caps) with her husband Mark "Arp" Cleveland, where she serves as the primary vocalist.

At the age of 18, she competed at the 1990 Commonwealth Games and finished fourth in the individual competition, winning bronze medals in the hoop and ribbon disciplines.

[6] In 2004, they were signed to the Bella Union label, and they released their debut studio album, Moratoria,[12] which was received positively by critics, with The Independent describing it as "...an awesome, soul-searching slice of sprawling Americana.

An extraordinarily colourful collection of psychedelic stories – demented yet sympathetic eulogies to a bunch of fictitious weirdos, set to a fashionably succinct swamp-rock beat.

"[19] Writing for Clash magazine, Mike Diver deemed Seifert "one of the fiercest, most technically gifted rock 'n' roll drummers around – it's unsettling even to see her crack a smile."

[21][22][23] The Quietus said that "…Viva's visual drumming style and Joe's control of any number of effects mangling, fuzzing and boosting an arsenal of crunching riffs to produce an enticing audio-visual package.

[5] She stated that the role was difficult to portray, commenting that shooting was "intense" and "rather exhausting"[27] and said that she felt pressure after realizing "the whole game is hinging" on her acting.

[35] Todd Martens of the Los Angeles Times praised her acting,[36] and Adam Cook of GodIsAGeek deemed her performance "stunning".

"[39] Katie Smith of Adventure Gamers wrote that she was convincing in the role, and praised her for paying attention to the small details, such as her body language.

[41] For the role, Seifert won the Game Award for Best Performance in 2015,[42][43][44] where she was mistakenly credited for having appeared in The Witcher 3, which spawned several internet memes and earned the organization criticism.

[56][57] Seifert is a part of the electronica musical duo Lunge (stylized in all caps), which she co-founded with Mark "Arp" Cleveland, who was previously a drummer for Archie Bronson Outfit.

[70][71][72][73] She keeps a low media profile, rarely accepting interviews, making public appearances, or speaking of her personal life outside of her creative ventures.