"That's Rock 'n' Roll" is a 1977 hit by Shaun Cassidy

Shaun Cassidy

Shaun Paul Cassidy is an American actor, singer, writer, and producer. He is the eldest son of Academy Award winning actress Shirley Jones, and the second son of Tony award-winning actor Jack Cassidy...

 from his first eponymous debut album, Shaun Cassidy

Shaun Cassidy (album)

Shaun Cassidy is the first solo album from Shaun Cassidy. The eponymous album was first released in 1976 in Europe and Australia, where he had top-ten hits with "Morning Girl" and "That's Rock 'n' Roll". It was not until the release of a cover version of The Crystals' song, "Da Doo Ron Ron", that...

. It was his second of three consecutive top-ten hits. It was released in July 1977 and spent 23 weeks on the Billboard Hot 100

Billboard Hot 100

The Billboard Hot 100 is the United States music industry standard singles popularity chart issued weekly by Billboard magazine. Chart rankings are based on radio play and sales; the tracking-week for sales begins on Monday and ends on Sunday, while the radio play tracking-week runs from Wednesday...

, peaking at number three. This song became a gold record.

The song was written by Eric Carmen

Eric Carmen

Eric Howard Carmen is an American singer, songwriter, guitarist and keyboardist.He scored numerous hit songs across the 1970s and 1980s, first as a member of the Raspberries , and then with his solo career, including hits such as "All By Myself", "Never Gonna Fall in Love Again", "She Did It",...

, who first recorded the song himself on his first solo LP from 1975, Eric Carmen

Eric Carmen (1975 album)

Eric Carmen is an album by rock and roll musician Eric Carmen. It is also his first of two self-titled albums, the other released in 1984. It peaked at #21 on the Billboard album chart on its release in 1975 and generated the #2 pop single "All by Myself" in the same year. The song reached #1 on...

. "That's Rock and Roll" was the first of two major hits written by Carmen for Cassidy, the second being "Hey Deanie

Hey Deanie

"Hey Deanie" is a popular song by Shaun Cassidy that was released the last week of November, 1977 from his album, Born Late. It was his third and final top 10 hit, peaked at number seven on the Billboard Hot 100, spending four months on the chart from late 1977 to early 1978...

". Both songs charted concurrently with Carmen's own hit, "She Did It

She did it

"She Did It" is a hit single written and performed by Eric Carmen, released in August 1977. It was the first and greatest hit on Carmen's second solo LP, Boats Against the Current. It reached number 23 on the Billboard Hot 100 chart, and number 15 on the Cashbox chart...

" from the fall of 1977.