Lux Aeterna (Requiem for a Dream)
A three-note motif that layers up over minutes – one of the most quoted pieces in film music and at the same time one of the simplest.
The piece at a glance
- Composer
- Clint Mansell
- Year
- 2000
- Origin
- Film score for Requiem for a Dream
- Key
- D minor
- Level
- Beginner
- Keys recommended
- 61 are enough
How difficult is it?
The basic motif sits in one hand position and repeats unchanged. The effect comes from layering, not from difficulty.
The real hurdle
The temptation is to get louder too quickly. The piece lives on the build taking longer than you can bear.
How long does it take?
The motif in an evening, a fuller version in two weeks.
A rule of thumb, not a rule – how fast it goes depends on prior experience and practice time. This level is an assessment, not a measurement: most pieces exist in arrangements ranging from heavily simplified to concert level. The rating refers to the common arrangement.
Which instrument suits it?
Gets by on little range and works on any keyboard. Touch response helps the build but is not required.
Instruments that suit it
Casio CT-S300 EU approx. €160–185Light, sturdy, with a carry handle – the uncomplicated kids’ and second keyboard.
Korg B2 EU approx. €350–440The overlooked fifth player: real hammer action from a heritage maker – often the cheapest serious 88.
Roland RP-107 EU approx. €980–1,100Cabinet digital piano with PHA-4 Standard action.
The catalogue lists 233 instruments with verified data – key count, action and connections documented rather than claimed.
Where to find the sheet music
This piece is under copyright. Sheet music is available only from licensed publishers – free PDFs found online are usually not legal.
Modern editions and arrangements
Simplified versions, modern engraving and arrangements are available from the usual sheet music retailers. We will add direct links here shortly.
Frequently asked questions
How difficult is Lux Aeterna (Requiem for a Dream)?
The basic motif sits in one hand position and repeats unchanged. The effect comes from layering, not from difficulty.
What key is Lux Aeterna (Requiem for a Dream) in?
Lux Aeterna (Requiem for a Dream) is in D minor.
How many keys do you need for Lux Aeterna (Requiem for a Dream)?
An instrument with 61 keys is enough for this piece.
Who composed Lux Aeterna (Requiem for a Dream)?
Clint Mansell, 2000.
Can you download the sheet music for Lux Aeterna (Requiem for a Dream) for free?
This piece is under copyright. Sheet music is available only from licensed publishers – free PDFs found online are usually not legal.
How long does it take to learn Lux Aeterna (Requiem for a Dream)?
The motif in an evening, a fuller version in two weeks.
If this suits you
Interstellar – Main Theme Hans ZimmerOrgan textures building over minutes – film music that lives on patience rather than dexterity.
The Batman – Main Theme Michael GiacchinoA descending motif of a few notes, over and over – Giacchino builds a whole film on a figure you hum after …
TENET – Main Theme Ludwig GöranssonA pulse that seems to run backwards – Göransson builds the film’s idea into the structure of the music itself.