THE DOOBIE BROTHERS Quadio (Sealed 2020 US Quadraphonic 44-track 4 X Blu-Ray Box Set, featuring specially remastered versions of the albums Toulouse Street, The Captain & Me, What Were Once Vices Are Now Habits & Stampede using the original four-track Quad mixes. This amazing set includes both the quadraphonic & high-resolution stereo (24/192 DTS-HD Master Audio) mixes for each album. Contains miniaturized replicas of original album sleeves with reproduction Quadradisc inner sleeves & a mini-poster originally included with "What Once Were Vices Are Now Habits", complete with album credits & playback instructions for reproducing 4.0 on multi-channel playback systems. This collector's set is housed in a unique clamshell picture box, sealed from new in hype stickered shrink BD2-571542)