Mars
"...And let's not forget Holst's Mars."
Nor let us forget that it has its own movie connection; the Imperial March from Star Wars is a variation on it.
Love Doctor Who, love the theme music - this is hardwired into the DNA of most Brits. So clever old BBC leaned on this genetic flaw in July to work up a bit of a musical education for the masses with the Doctor Who Proms. On Monday, 6 September at 8.30pm the concert is broadcast on BBC 3 and on iPlayer soon afterwards, we …
These concerts are unusual in that you can 'Prom', i.e. listen standing up in an area with no seats - either immediately in front of the orchestra or way up in the Gallery at the top of the building. Tickets cost £5 - half the price of the cheapest seats. Some Prom tickets are sold in advance in the form of season tickets for half or all of the concerts, but most are sold on the day and you can just turn up and queue.
A 'promenade' concert is one where the audience can wander around, in and out and (in the 19th C at least), make assignations with their mistress or trollop while being at a perfectly respectable event.
In the 18th century a "promenade" social was an event where people would walk around e.g. Bath or Edinburgh showing off their best clothes, mingling socially without introduction or formalities, and make assignations with their mistress or trollop while being at a perfectly respectable event.
In Edwardian times, a 'promenade' was a paved area near the sea-side where the newly leisured lower and middle classes could stroll around taking the air, and meeting other people informally, and make assignations with their mistress or trollop while being at a perfectly respectable event.
Now what was that about american teenagers again?
Prom is short for promenade concert, a term which arose from the original practice of audience members promenading, or strolling, in some areas of the concert hall during the concert. Promming now refers to the use of the standing areas inside the hall (the arena and gallery) for which ticket prices are much lower than for the reserved seating.
I could be arsed to scribble the above myself so nicked it from wikipedia.