Bob Marley music has drug-like effect on babies, YouTube videos suggest

If this video above, and many others like it on YouTube, are to be believed—the music of reggae great Bob Marley has an oddly tranquilizing effect on infants.

Then again, other Baby-Americans seem to be more stimulated than sedated by Marley's hit "Jammin," as these dancing baby videos document: one, two. The truth is out there. (Thanks, Tara McGinley!)