Factual error: When they are being kicked out of a Corpus Christi dance club in 1961 for singing do-wop, someone screams "We want to hear Tejano.". Tejano music was born in 1972 in Alice, Texas. In 1961, the correct term was "Tex-Mex" which later became "Chicano" which is now known today as "Tejano". The word "Tejano" was not known in 1961.
Factual error: When the girls are heading to the Albert Hall, they take a very bizarre route. For them to cross Tower Bridge and pass Battersea Power Station, they would have to travel right through the centre of London, where the Albert Hall is located.