Here you have a little extract of the powerful features of
LastFmLib.Net 
The new
web services 2.0 are fully implemented inside LastFmLib.Net
Supports web services 1.0 and 2.0
Scrobbling using Audioscrobbler 1.2.1
Get meta data(information) for artists, albums and tracks
Love and un-love tracks
Ban/un-ban tracks
Playlist manager
Tuning into stations
User/Group and many more charts
Get the playlist, including mp3 stream urls
Get meta data for the currently played track
Tag management(append/set a tag) for artists, albums and tracks
at about the rest? Just try it out!
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