I've had an addiction to finding and listening to music for well over 10 years now.
I both enjoy listenting to old favorites and get giddy discovering new excellent acts.
I mostly listen on Spotify, but sometimes I'll also use YouTube or SoundCloud.
Last.fm
I use Last.fm to track my listening habits and history. I have data from ~2009 or so.
As of writing this I have about 102000 scrobbles logged.
My top artists are: