Here goes. This is what I got.
BAGFEDC – These are the chords to the introduction of The Beatles song ‘I am The Walrus’. What is the first line of the song lyrics?
There is something else within the other images that will give you a bigger clue.
Second hint: Spirals in Liverpool?
I have a section on my blog where I will be uploading all of my finds. Feel free to navigate the menu and take a look.