This is a collection of pretty much every song released related to the Sayonara Zetsubou-Sensei anime, all in glorious FLAC. None of these were ripped by me, I found pretty much all of them on Soulseek, with the exception of this: https://nyaa.si/view/1283445 You can see the name and release date for everything in the file information, but this collection has every OP and ED across the entire anime series. The OPs and EDs for the first season and Zoku were all included in a compilation album named Zetsubou Daisakkai, so I did not include the songs' single releases. Additionally, Kuusou Rumba Rap from Goku was included in the album Kakurenbo Ka Onigokko, which otherwise is comprised of original songs by Kenji Ohtsuki and the Zetsubou Shoujotachi. The single releases for the OP and both EDs for Zan are here. Additionally, Moebius Kouya is a single that was released in conjunction with the series' DVD box release, Katte ni Kaizou Shitemo IIze is the OP to Shaft's adaptation of another Kumeta manga Katte ni Kaizou and is also sung by Kenji Ohtsuki, and Ai ga Yueyue/Are Kara are singles released for the most recent Kumeta adaptation, Kakushigoto, with both songs being sung by Ohtsuki and the latter featuring a reunion of the Zetsubou Shoujotachi. There are also two character song albums for SZS included in here, sung by the voice cast. So yeah, this is pretty much everything I think. There wasn't such a collection on nyaa, and a lot of the songs here flat our aren't available here, so I thought I'd put them all together into this one collection. Please seed. Additionally, I am trying to track down FLACs for 5年後の世界, an album by Kenji Ohtsuki's band Tokusatsu, which features the OP for Katte ni Kaizou as well as a remix of Hito Toshite Jiku ga Bureteiru. I would have included the album in this collection if I could find it in FLAC format, but I can't. But if you have any leads on it, or have a CD you can rip, it would please me greatly if you contacted me.