I have no interest in last.fm
Time would be better spent learning about the independent musicians currently revolutionizing the music industry.
Look at lnbeats.com for examples of great independent music.
Learn about value for value and how it is being applied to music.
value4value.info
v4vmusic.com
Use a modern podcast app such as fountain.fm and directly support musicians.
Check out some v4v music shows on lnbeats.
We are slowly eroding the parasitic music industry and bringing sovereignty back to the artists, where it belongs.