Enter your Last.fm username, then select a duration to search and the number of songs of include. Songs are ranked by the number of Last.fm scrobbles by the user within the selected duration.
Export the data as a CSV to save it or to import it into a Crownnote chart. Note that titles and artists may need to be adjusted before importing in order to match Crownnote's format: song titles often include additional credits, and if a song credits multiple main artists, the export usually only lists the first artist.