"I Go Ape" is the second single of Neil Sedaka

Neil Sedaka

Neil Sedaka is an American pop/rock singer, pianist, and composer. His career has spanned nearly 55 years, during which time he has sold millions of records as an artist and has written or co-written over 500 songs for himself and other artists, collaborating mostly with lyricists Howard...

 immediately following his success with the debut single "The Diary

The Diary (song)

"The Diary" is a song by Neil Sedaka and Howard Greenfield and is Neil Sedaka's debut single in 1958. It was issued on his 1959 debut solo album Rock with Sedaka on RCA. It was reissued on his 1961 album Neil Sedaka Sings Little Devil and His Other Hits and again in 1963 on the album Neil Sedaka...

" and was written by Neil Sedaka himself and Howard Greenfield

Howard Greenfield

Howard Greenfield was an American lyricist and songwriter, who for several years in the 1960s worked out of the famous Brill Building...

. It was released in 1959 also appearing on Neil Sedaka's 1959 debut solo album Rock with Sedaka

Rock with Sedaka

Rock with Neil Sedaka or just Neil Sedaka is the first major solo album of Neil Sedaka released in 1959 after two 1958 albums under the titles Neil Sedaka and The Tokens and Neil Sedaka and The Tokens and Coins...

.

"I Go Ape" was a relatively minor success in US reaching #42 on the US Billboard Chart, but was a much bigger success in the UK reaching #9 in the UK Singles Chart.