Resetting Rhythmbox music library in Ubuntu
First you have to delete all the information of music library for Rhythmbox. To delete all information first quite Rhythmbox and then delete the following files ~/.local/share/rhythmbox ~/.cache/rhythmbox ~/.gconf/apps/rhythmbox . To remove this file you can use the following command. rm ~/.local/share/rhythmbox/ ~/.cache/rhythmbox/ ~/.gconf/apps/rhythmbox/ -r After that restart Rhythmbox, it will scan the whole library again and the information will be reset.