AudioGrail (Formerly K-MP3) is the swiss army knife for everthing that is related to audio files (MP3, MPC, OGG...). It can very easily rename and tag (tag: info such as artist name, album, track title) your files automatically. It can also analyse quality, organize files on your system, find duplicated files and improve your everydays audio experience!
Second Road-Map of Switzerland 1836 - Töpffer was using the same map for his trips.
A map of the Swiss roads printed in 1836 by Heinrich Keller. Many details are shown on the map like the height of the mountains or the population of the Cantons