From Lastfm

Last Updated: Nov 14, 2014 03:11PM PST
On Facebook
1. On the left of the page click “Lastfm”, located under “Settings”.
2. Enter your Lastfm username and click “Save”.

On iOS
1. Tap Settings on the bottom right side
2. Tap Lastfm
3. Input your Lastfm username
4. Tap Done

On Android
1. Swipe from left to right or tap the button in the top left
2. Tap Settings
4. Tap Lastfm under Linked Accounts

5. Enter the username you use to sign into Lastfm
6. Tap Connect
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