The song "Sake Of The Song" by Hayes Carll is about the passion and dedication that musicians have for their craft. It talks about the various types of musicians and their different approaches to making music, but ultimately emphasizes that they are all doing it for the sake of the song. The lyrics suggest that musicians will go to great lengths to express themselves through their music, whether it's hitchhiking, playing in small venues, or performing in front of thousands of people. The song also reflects on the ups and downs of the music industry, touching on the sacrifices that some musicians make just to keep going. Overall, the message of the song is that music is a powerful and worthwhile pursuit, and that no matter what challenges or obstacles arise, musicians will continue to create and perform because of their love for the art form.