The traditional concerts at the lock (Hafenkonzerte) take place every year from may until september. Marching bands, shanty choirs, music groups and choral society from the area are giving a concert every sunday from 10:30 a.m. to 11:30 a.m. at the lock. Citizens and tourists alike are invited to enjoy the concerts free of charge. The audience can look forward to many famous melodies and folksy sounds.