Chad &amp; Jeremy

Chad &amp; Jeremy were an English musical duo consisting of Chad Stuart and Jeremy Clyde, which began working in 1962.
The band had its first hit song in the UK with "Yesterday's Gone". That song became a hit in the United States in the following year as part of the British Invasion. 
The duo had many hits in the United States, including "Willow Weep for Me", "Before and After", and their biggest hit, "A Summer Song".