Maybe sometimes it's just better to take a day off.
I am not an expert in lyrics creation (well, I don't exist in this domain :lol
, but I do suffer from time to time from the what I call "designer's block". I create sites as my job and hobby and sometimes I just cannot be able to make something right. That's the moment I just lay off it for 1 day and do something else (play on the PC, post in forums) ... after some hours or a day I just get back to Photoshop and I seem to get my groove back ..