Content:On February 23, 2016, a music video was released for their cover of "Take On Me"; the video for their cover of "Everybody Wants to Rule the World" was released one week later, on March 1, 2016. On March 4, 2016, Under the Covers was released to the public. The album features guests appearances by Tupper Ware Remix Party and Super Guitar Bros. The album debuted on the Billboard charts at #9 in Top Album Sales, #2 in Independent Albums, #3 in Rock Albums, and #17 in the Top 200 Albums.On October 18, 2016, a music video was released for the Cool Patrol (song) of their next comedy album, Cool Patrol, which features YouTube personalities Jacksepticeye and Markiplier. In February 16, 2017, the music video for the second single off Cool Patrol, "Eating Food in the Shower," was released.
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On June 28th, 2017, the band announced on their Facebook page that they have completed all the songs for their second cover album, Under the Covers, Vol. II, and its release date of October 27, 2017. The following day, they released the official track listing for the album. On October 11, 2017, they announced that fans can pre-order a deluxe signed version or a deluxe unsigned version, both including posters. The next day,
they released a music video for their cover of "Pour Some Sugar on Me".On October 2, 2017, the band announced that their Rock Hard 2017 Tour was complete, and thanked everyone who participated in the tour.https://twitter.com/ninjasexparty/status/914942737635434496In November 2017, Avidan mentioned in an episode of Game Grumps that NSP had finished most of the recording of Cool Patrol and that the band is aiming for a June 2018 release for the album.https://www.facebook.com/ninjasexparty/posts/10155100583223927 On March 6, 2018, the band released their new original song "Orgy for One" alongside its music video on March 6, 2018. Later that day, they confirmed that most of Cool Patrols post-production was completed, with the band aiming at a "probable July release" which would be preceded with two new original song releases in the meantime.https://www.facebook.com/ninjasexparty/posts/10155415583303927 On May 8, 2018, they announced that they were currently recording Under the Covers, Vol. III, and were aiming for a mid-2019 release.In May 2018, Wecht debuted Ninja Brian's All-Star Variety Luau Spectacular, his own recurring live musical comedy show in which he portrays his Ninja Brian character, minus Avidan. The band also started a new tour, titled Tour de Force, concurrently with the release of the new album, from June 11 to October 19, 2018.https://twitter.com/ninjasexparty/status/992451042251026434On June 25, 2018, the band released the music video for the song "Danny Dont You Know", along with the official release date of Cool Patrol, August 17. The video featured actor Finn Wolfhard, a friend of Avidan since he had appeared on Game Grumps in January 2017 and a fan of the band, as a younger Danny Sexbang. The band called "Danny Don't You Know" their "favorite-ever song", both musically and as a video. It became the #1 trending video on YouTube. Cool Patrol was released on August 17, 2018 and immediately reached #1 on the Billboard Top Comedy Albums chart, and remains there as of September 28, 2018.In August 2018, Avidan and Wecht hosted an AMA on Reddit where Avidan confirmed that "(Dont Fear) The Reaper" by Blue Öyster Cult, "Sledgehammer (Peter Gabriel song)" by Peter Gabriel, "Glory of Love" by Peter Cetera, and "Down Under (song)" by Men at Work would appear on Under the Covers, Vol. III. The duo then went on to tell RIFF Magazine that the album would also include covers of songs by Rush (band), Def Leppard, the Bee Gees, and Michael Jackson. As of November 2018, ten tracks have been confirmed for the album.On September 17, 2018, Ninja Sex Party, along with Tupper Ware Remix Party, performed a censored version of "Danny Don't You Know" on the late-night talk show Conan (talk show) as a musical guest, making their live television debut. This censored version, which replaced the word "fuck" with "heck" and "hell," was released on Spotify on September 21 under the title "Danny Don't You Know (Cool as Heck Version)".In December 2018, the band was selected by Billboard as the #1 Comedy Album Artist of the year, with Cool Patrol being selected as the #1 comedy album of the year.On January 5, 2019, Avidan announced an upcoming Ninja Sex Party song on his Instagram titled "Mystic Crystal", which he described as a "13 minutes-song about wizards."