El Monte Legion Stadium
Legion Stadium was the capital of country and rock music when we were kids, and that includes Doo-Wop. A lot of '60s Lancers and '50s and '60s FUHS Indians went there, and played there. and people from every town for many miles around. See photo.
El Monte Legion Stadium was home to some of the earliest Battle of the Bands competitions, and also a boxing venue. Did the Continentals ever play El Monte Legion?

From a website:

"This is the legendary El Monte Legion Stadium in El Monte, California. Photographed here in the early 1970s, just before it was razed. In the late '50s and up through the '60s it was the venue for Art Laboe's dances and shows. Top west coast performers and groups were featured. In the days preceding a show local radio would feature loud commercials trumpeting the event. "Hello, I'm Art Laboe" was the usual intro, followed by a recitation of the featured performers. Near the end listeners were admonished to "Be there, or be square". And finally there was this warning: "And remember, no khakis or capris please", a not so subtle reminder that gang attire was frowned on. This last bit was perfectly understandable as one has only to look at this picture to realize that EMLS was a really classy place!"

From Wikipedia:

"El Monte is credited with being the birth place of TV variety shows. Hometown Jamboree, a KTLA-TV Los Angeles-based show, was actually produced at the American Legion Stadium in El Monte, California in the 1950s.[13] The Saturday night stage show was hosted and produced by Cliffie Stone, who helped popularize country music in California.[14]

In the 1950s, as the unstable racial climate and the hostility toward rock & roll started to merge, rock & roll shows were forced from the City of Los Angeles by police pressure. The El Monte Legion Stadium, outside the city limits, became the site of a series for rock and roll concerts by Johnny Otis and other performers.[15] (Johnny Otis along with Alan Freed and Dick Clark were the major powers in the growing rock and roll industry.) During the fifties, teenagers from all over Southern California flocked to El Monte Legion Stadium every Friday and Saturday night to see their favorite performers. Famous singers who performed there include: the Ritchie Valens, Rosie & The Originals, Brenton Wood, Earth Wind & Fire, The Grateful Dead,[16] Dick Dale and his Del-Tones and Johnny "Guitar" Watson. Disc jockeys Art Laboe and Huggy Boy enhanced the stadium's popularity with their highly publicized Friday Night Dances with many popular record artists of the late 1950s and 1960s. "El Monte Legion Stadium", as it was often called, was the "Happening" place to be for the teenagers of that era.[17] In a closed-circuit telecast, The Beatles and the Beach Boys were seen there on March 14, 1964.[18]

El Monte is known for the long-time rock & roll hit "Memories of El Monte",[19] written by Frank Zappa and originally recorded by The Penguins, one of the local Doo-wop groups from the 1950s that became famous nationwide. The song is in remembrance of The El Monte Legion Stadium and can be heard on many albums including Art Laboe's Memories of El Monte. Although the stadium closed their doors nearly 50 years ago, the music continues to live on.[20] El Monte was the birthplace of singer–guitarist Mary Ford, of Les Paul & Mary Ford fame. John Larkin, known as (Scatman John), is also a native. El Monte was home to musicians Gregg Myers and Joe McDonald, who performed in the 1960s with Country Joe & the Fish. Cheech Marin of Cheech and Chong fame was an El Monte denizen."

All about El Monte Legion Stadium