Available from collecting this song
The egg is hidden in a randomly selected timestamp. The winner is revealed only when the song sells out. The winner's NFT is then upgraded to a unique 1/1 chosen by the artist.NOT REVEALED
Make a public comment on the song. Prove you were a supporter from way back in the day. Sell your NFT, and your comment is replaceable by the new owner.
Behind the music
Read a bit about PUNISH directly from Pussy Riot