"Over and Over", written by Bobby Day

Bobby Day

Bobby Day , was an early African American rock and roll and R&B musician.Born Robert James Byrd, , in Fort Worth, Texas, he moved to Los Angeles, California, at the age of 15...

 and sung by lead singer and keyboardist

Keyboardist

A keyboardist is a musician who plays keyboard instruments. Until the early 1960s musicians who played keyboards were generally classified as either pianists or organists. Since the mid-1960s, a plethora of new musical instruments with keyboards have come into common usage, requiring a more...

 Mike Smith

Mike Smith (Dave Clark Five)

Michael George Smith ,was an English singer, songwriter, and music producer.In the 1960s, Smith was the lead vocalist and keyboard player for The Dave Clark Five...

, was the only U.S. #1 hit for the Dave Clark Five, one of the early British Invasion

British Invasion

The British Invasion is a term used to describe the large number of rock and roll, beat, rock, and pop performers from the United Kingdom who became popular in the United States during the time period from 1964 through 1966.- Background :...

 bands of the mid-1960s. It followed the group's signature sound of thumping, 4/4 drum beats accompanied by a wailing saxophone

Saxophone

The saxophone is a conical-bore transposing musical instrument that is a member of the woodwind family. Saxophones are usually made of brass and played with a single-reed mouthpiece similar to that of the clarinet. The saxophone was invented by the Belgian instrument maker Adolphe Sax in 1846...

. Despite its success in the USA and the popularity of the group on both sides of the Atlantic, the single only reached number 45 in the band's native United Kingdom

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

.