Barn Swallow roosting in corn

About two years ago (Sept. '04) my curiosity about the Barn Swallows' roosting habits drove me into the cornfield just before they started to come down for the night. I stayed in there until it was completely dark, mostly listening to the noise of the multitude of voices and wings because I could see only what was happening directly above me. This one perched (at least temporarily) on the tassle of the corn stalk, but it appeared that most of them found places a little lower, on the broad, stiff leaves.