Perhaps she's channelling that bit at the end of Cliff bleeping Richard's 'Wired for Sound' where he starts rambling about all the types of speakers he likes: 'Tall speakers / Small speakers / Wall speakers / But, most, of all I like loud speakers'‘standing next to a speaker three times at tall as i am!’
tell me you’ve never been to a ‘rave’ without telling me etc
Him roller-skating through a car park probably counts as a rave in her book, too.