 Following the end of Nirvana, Novoselic worked on completing the "With the Lights Out" box set and "From the Muddy Banks of the Wishkah" album, as well as pushing for release of a 20th anniversary album for "Nevermind".After Cobain's death, Novoselic continued to dabble in musical endeavors.He co-formed the band Sweet 75 with Venezuelan musician Yva Las Vegass in 1995, releasing a single self-titled album in 1997.