I guess many of you have heard how I started learning Welsh thanks to Datblygu. 
There’s a new group I started on Facebook for fans, anyone curious to find out more about them, and more in general those using songs to learn and practice Welsh.
If you’d like to join or have a look:
https://www.facebook.com/groups/1352550088532372
Freshly published, also an article on Y Selar about it (and mentioning SSiW) 