When not riding with a group . . . I say again . . . when NOT riding with a group, I listen to music or podcasts. It helps pass the time, I guess. After all, I can listen to a French lesson on a two hour ride and kill two birds with one stone.
I realize that I might be behind the times, showing this link to everyone, but I stumbled on it. It is a great site with links to FREE music downloads mixed especially for cyclists. Check it out: