Originally Posted by mentaljason
IDK maybe it can be done on hard. If you go to leaderboards, the best guy for hard difficulty is 324.5k. Look at his achievements, he doesnt even have a 500 note streak, so if this is legit score, he did not ace and made at least 2 errors. And remember, these leaderboards (in game) are only showing who did best on the song on hard yet has NOT beaten it on expert...
hmm, maybe it is possible with an FC?