This week we have thrown open the doors and welcomed guest contributors from around the world, to celebrate the spirit of Eurovision. We also have our first Unbreak My Chart guest mash-up, which is a remarkable thing. And there's a new No.1!

Tom Ewing's presentation, Making Your Mind Up: How Eurovision Caused Brexit, is here:

Michael Hann's thoughts on poptimism are here:

As ever, all of this week's notable tracks are in our rolling Spotify playlist:

Laura's most-listened-to song this week is “Bedroom” by Mabel and Fraser's is “Bless this Acid House” by Kasabian.

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