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actually, you can only delete it from the front end. once recorded to the blockchain it'll always stay there

ouch, seriously? no way to re-tag the post? my post (music-related) was tagged as recordlabel. then i tried to re-post it, and then it went as electronica. now i'm trying to re-post as music with only music as tag. is the point of steemit to only use one tag per post?