1. This is correctly tagged for a band called Arne.
2. This is correctly tagged for the Swedish musician with the artist-name Arne. This Arne is also the same Arne behind Jens Und Arne and also Farbror Arnes blockflöjtsensemble. He’s also member of the bands: Rosa Ätpinne, Äggzkülls and The Arne-Vision Dansorkester with friends featuring Patrick the Hattrick.
He’s also behind the pseudonym Biberkolben
3. This is mistagged for Thomas Arne; it would help Last.fm if you could correct your tags.