Please click for a closer look.
You can just about make out the large Solidarność banner at the foot of the stage, signifying the 26th anniversary of the founding of Solidarity, the inspirational trade union which helped defeat communism in Eastern Europe.
David was invited to help mark the occasion by Poland’s former President and leader of Solidarity, Lech Wałęsa, and the Mayor of Gdańsk, Paweł Adamowicz.
Do you like it? Your thoughts, as always, are welcome.
There’s also a new tune from Wireman on the homepage today, so be sure to listen out for that.
Enjoy the extended weekend, if you have one. The Blog will be back on Tuesday, with the chatroom open from 15:00 (UK).