"Goin' Out of My Head" is a song written by Teddy Randazzo and Bobby Weinstein, initially recorded by Little Anthony and the Imperials in 1964.

[6] The group also suffered the issue of finding suitable material to cover, "Gotta Get A Hold Of Myself" happened by chance.

[9] However, also by a stroke of luck, the band remember hearing Little Anthony and the Imperials perform alongside them on the Dick Clark tour, which they embarked on in April 1965.

[11] The band eventually had to accept the offer after the record company threatened to drop the act from their label.

[4] Lead vocalist Colin Blunstone was overdubbed at Advision Studios in order to give the single "extra-kick.

", since Jones felt that the vocals "weren't strong enough"[4] The release of "Goin' Out Of My Head" was a highlight in the Zombies career, as they had gotten incredibly popular in the Philippines.

[13] In hearing this, Decca, who had been keeping "Goin' Out Of My Head" in their vaults for around half a year, decided to release it.

In a review for Disc and Music Echo, critic Penny Valentine called the song "splendid treatment" of the original,[16] hoping it would reach the charts.

[17] Derek Johnson of New Musical Express also praised the single, calling it an "exceptionally good tune.

[4] Argent stated that the demo version of the song they recorded weeks prior sounded better because the "harmonies were massive.

"[4] Decca's Tony Hall thought that Blunstone was low in the mix, which led to him forcefully having to overdub the vocals.