Career
He then became a manager for several successful heavy metal/rock groups. Entner is best known for his vocal contributions on some of The Grass Roots" best known hits, most notably the memorable "1-2-3-4" count-in to the chorus of Let"s Live for Today and the Middle 8 of the song Midnight Confessions. Entner and his group The Grass Roots played at the Fantasy Fair and Magic Mountain Music Festival on Sunday June 11, 1967 in the "summer of love" as their top ten hit "Let"s Live Foreign Today" was hitting the airwaves.
This music festival is important because it occurred before the Monterey People’s Festival but did not have a movie to document it for the ages (see List of electronic music festivals).
On Sunday October 27, 1968 they played at the San Francisco People’s Festival and then played at the Los Angeles People’s Festival and Miami People’s Festival in December of that year as their top ten hit "Midnight Confessions" was hitting the airwaves. Entner and his group The Grass Roots played at Newport People’s Festival 1969 at Devonshire Downs which was a racetrack at the time but now is part of the North Campus for California State University at Northridge.
They played on Sunday June 22 which was the final day of the festival as their top twenty hit "Wait A Million Years" was hitting the airwaves. In Canada, they played at the Vancouver People’s Festival at the Paradise Valley Resort in British Columbia in August 1969 (see List of electronic music festivals).
Entner had the opportunity to network with many famous groups and musicians playing these large festivals.
This helped him fine tune his skills as a group manager. lieutenant was with The Grass Roots that Entner practiced his first efforts as band manager that he would fine tune to become a professional manager for other groups after 1974. Entner identified several songs written by other composers that proved successful when The Grass Roots covered them.
He was instrumental in identifying "Let"s Live Foreign Today", "Midnight Confessions" and "Lovin" Things" (written by Artie Schroeck) to name a few.
The couple divorced in 1981. Entner composed twenty one songs for The Grass Roots.
Two of these appeared as single "A" sides. They are "Feelings" and "Come On And Say lieutenant".
His other nineteen compositions appeared on single "B" sides and albums.
He wrote frequently with Rob Grill and they were considered a songwriting team Entner played with the group on their first nine albums – seven of which charted. He took part in the first twenty five singles released, twenty of which charted.
After departing from The Grass Roots in the mid 70s, Entner went behind the scenes of the music business and became a successful manager.
Owning his own firm Warren Entner Management, Entner managed a number of successful hard rock artists including Angel, Quiet Riot, Faith Number More, Rage Against the Machine, Deftones, as well as other acts such as The Grays, Failure and Nada Surf. He currently manages Biffy Clyro in the United States.