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History You all knew that tabs used beats(BPM anchors -vertical white lines in eof) for sync chart with audio. You know where you can get this BPM values for the song(even EOF can do that, just click BPM - > Estimate BPM -> OK). But when you deal with floatingUn-staticVariable BPM you better bless god that in this song BPM changes won't be more than 4-5 times, cause you know Tool songs and there very creative drummer so we got this kind of issue. How to Solve it? Use this software with presets that I recommend and you'll get 98% accuracy on generating BPM map(aka Beat Map) NOTE: You will need EOF minimum r1271 (now its RC9 r1302 and its ok, DL new version guys) Plus better add Leading silence(about 2000ms = 2 seconds) before song to get smooth start. Download and install Sonic Visualizer for you platform(I know that better get Audacity, but it can't export .svl file) Get plugin named QM-vamp-plugin(Queen Mary university stuff) direct link to v1.7 and link to QM plugin page *For windows* To install plugins open %Program Files%Vamp Plugins Now unpack plugin data there, a-a-a-and done, its installed. Open Program (Sonic Visualizer). Load you audio. Go to Transform menu, select "Analysis by category>Time>Tempo>Tempo and beat tracker: Beats". *You can adjust the plugin parameters in the window that pops up if you want to experiment, otherwise just click OK and wait a minute.* If you played song and you don't satisfied by results - use another plugin preset. Go to Transform menu, select "Analysis by category>Time>Tempo>Tempo and beat tracker: Beats". Set this values: Beat tracking method: new Onset detection function Type: Broadband Energy Rise or Spectral Difference Adaptive whitening: unchecked(this will mess up your BPM-map) *You can set one channel in advanced settings to make detection more accurate)* You can export the beat positions to a file that EOF can import. To do so, make sure that layer is still in the foreground (it is the selected layer tab on the side of the program) and use "File>Export annotation layer" Choose a place to save the file. *your project folder would be a good place*. In EOF, while your project is open, use "File>Sonic Visualiser Import" and select the file you just exported from that program. *The beat map will be updated to reflect the information in the file, and you can undo the changes if they didn't turn out the way you like*. That is it, I think its very progressive way to get BPM map and its not taking so long, but if you know actual BPM and its static you can sync tab with couple anchors :) Thanks to Me(Alex360), Raynebc, QM university team, Sonic Visualizer team, all other good peoples.