Happy Valentine's Day! The Happy Medium Song of the Day is “Put a Little Love in Your Heart” by The Dave Clark Five, one of the few bands to present a commercial threat to The Beatles. They were, according to the Wickipedia, the second group of the British Invasion after the Fab Four to have a a chart hit in America ("Glad All Over" #6 January, 1964). This song offers more than an appropriate sentiment for the day. (Please use the comments box to share your thoughts.)