The Black and Yellow - Fangsänge produced by CLMobile is said to be singing more songs in football stadiums when Dortmund is spreading in the field. In the application you will find: 1- Twelve songs of the fans of Dortmund. 2- The ability to listen and follow the lyrics. 3- The sound controls are available during the execution of the selected music. 4- The ease of being able to set a song as a ringtone, alarm or notification from your phone. 5- You can also choose from different backgrounds to s