1. 24 Now he can only communicate through a voice synthesiser.

2. Computer software, namely software and software components for processing and generating digital and/or analog audio data, in particular virtual synthesisers

3. On McCartney's 1989 solo tour and since, it has generally been performed on piano with an arrangement using a synthesiser mimicking strings, but this string sound is more restrained than on the Spector recorded version.

4. Accordions, basses, music box toys, cartons (musical instruments), carillons (musical instruments), clarinets, trumpets, double basses, cymbals, flutes, harps, lyres, mandolins, guitars, harmonicas, violins, violas, xylophones, organs, pianos, keyboards (musical instruments) and piano keys, music synthesisers, drums (musical instruments), triangles (musical instruments)

5. Made over the course of a year-long process where he invited musicians to join the recordings in London, Budapest and Szeged, 'Étude de Battements' means “beat studies” and is a concept album focusing on beats, mixing different styles and creating mash-ups with the help of classical instruments and analog synthesisers.