The song "Parallel Lines" was originally written for Rundgren's musical theater Off Broadway production of Joe Orton's Up Against It.

Unlike a large portion of Rundgren's solo albums on which he played all the instruments and sang all lead and backing vocals, Nearly Human was performed live in the studio with numerous musicians, including the members of Rundgren's defunct band Utopia which had broken up three years earlier; Roger Powell, Kasim Sulton and John "Willie" Wilcox all play on the track "Can't Stop Running".

The track "Feel It" was originally recorded (with slightly different lyrics) by the San Francisco band on its 1985 album Love Bomb, produced by Rundgren.

In the end Martin said: "From the delicious horn-tinged overdrive of 'The Want of a Nail' to the strident bass-lead 'Unloved Children' it demonstrates a man cable of delving into a myriad of rock styles without floundering.

He wrote: "This is radio-tailored pop at its best, with material that will fit both AOR and NC formats" and summarized that "this LP should be a winner on radio and in the stores, provided it is backed with the right promotion in order to attract a new legion of fans to Rundgren's sound.