Discovering Music - Prelude

Stephen Johnson gets to grips with classical music's technical terms

Discovering Music - Prelude

Here, surely, is a musical term that’s simple enough to define. The word ‘Prelude’ comes directly from the Latin ‘praeludere’ – ‘to play before’. And that, for several centuries, was the Prelude’s function.

It was partly practical necessity. Lutenists, wanting to test their tuning and the acoustics of the room, would improvise a little warm-up piece before getting down to business. 

Fitted out with the title ‘Praeludium’ this soon became a solid part of the ritual of music making. Church organists would also improvise preludes: 1) to create a suitable devotional atmosphere before the service; and 2) to flush out any incipient technical problems.

The ‘chorale preludes’ of JS Bach and his contemporaries (preludes based on a hymn tune) were generally composed with function 1 in mind – and perhaps sometimes function 2 as well.

But the fact that – on paper at least – you could have a separate, self-sufficient piece called ‘prelude’ presaged a momentous change.

In the Baroque era, most pieces called ‘prelude’ were still designed to introduce something: an instrumental suite perhaps, or a grand contrapuntal display, as in Bach’s stupendous two-volume collection of 48 Preludes and Fugues (The Well-Tempered Clavier).

Even there, though, the ‘introductory’ character of some of the preludes is questionable: doesn’t the E flat major Fugue in Book I tend to sound like a relatively lightweight coda to the magnificent ‘Prelude’ that in most performances triumphantly upstages it?

Chopin may have had similar thoughts when he created the first great set of 24 Preludes – it’s tempting to call them ‘Preludes without Fugues’. But by then the word ‘prelude’ had become general Romantic currency.

The Romantics loved incompleteness: ruins, fragments, unfinished utterances that seemed to falter on the edge of the inexpressible. The notion of a ‘prelude to… what?’ fascinated them.

The score of Liszt’s symphonic poem Les préludes has a literary preface which opens with a question: ‘What else is our life but a series of preludes to that unknown Hymn, the first and solemn note of which is intoned by Death?’

And from that to Debussy’s Prélude à l’après-midi d’un faune – a work perpetually poised on the threshold of what the French call ‘le petit mort’ – may not be such a big step after all. All this from a lutenist’s warm-up exercise…

This article was first published in the October 2011 issue of BBC Music Magazine

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