With the 20th anniversary deluxe edition of Nirvana's landmark album 'Nevermind' due to come out next Tuesday (Sept. 27), Universal Music has made three previously unreleased tracks available for streaming.

The tracks, which can be heard below, include a version of 'Breed/Immodium' recorded at Smart Studios, a boombox demo version of 'On a Plain' and a live version of 'Smells Like Teen Spirit' recorded at the Paramount in Seattle in 1991.

As previously reported, highlights from that Paramount concert will be shown for the first time on VH1 and VH1 Classic on Friday (Sept. 23) at 11PM ET/PT.

The 20th anniversary releases of 'Nevermind' include a 2-CD deluxe edition and a 4-CD super deluxe edition, among other versions. Listen to the aforementioned previously unreleased tracks below.

Listen to 'Breed/Immodium' (Smart Studios Version – from Disc 2 of 2-CD Deluxe Edition)
Listen to 'On a Plain' (Boombox Demo Version – from Disc 2 of 2-CD Deluxe Edition)
Listen to 'Smells Like Teen Spirit (Live From The Paramount – from Disc 4 of Super Deluxe Edition)