Forgotten Songs

I have stumbled across a few great pieces of street art around Sydney but really love this piece called "Forgotten Songs" it commemorates the songs of different species of birds that have unfortunately flown the Sydney nest, due to European settlement and the growth of the city. Bird song filters down from the canopy or birdcages above; the daytime birds' songs disappearing with the sun and those of the nocturnal birds which inhabited the area singing into the evening...