It features three prolific guest backing vocalists, including Paul Delph, Michael Des Barres, and Andrea Robinson.

The album featured the songs "Rock Hard",[3] "Glad All Over", and "Lipstick" which were all released as singles.

"Glad All Over", a cover version of a song originally by the Dave Clark Five, unlike the other singles was the only one to chart in Belgium, peaking at number 25.

The album was re-released in 2012, and was the first of several remastered reissues by Cherry Red Records on Compact Disc.

In a retrospective review for AllMusic, critic Donald A. Guarisco wrote of the album "Although it lacks the kind of single that would have put it over the top commercially, Rock Hard is so consistent and likable that it is tough to argue with.