Accompaniment Machine on digital pianos

Although AMac was designed for digital keyboards with a full complement of MIDI voices, the program is quite useful for digital pianos. We tested it recently on the popular Yamaha P125 (Fig. 1). There are two main differences between digital keyboards and pianos:

  • The physical keyboard of the digital piano provides a close simulation of the action of a mechanical piano.
  • There are fewer voices on a digital piano, but they are of high quality.
Yamaha P125 digital piano

Figure 1. Yamaha P125 digital piano.

The P125 has 24 voices in six categories:

  • Piano (grand piano, live grand, ballad grand, bright grand).
  • Electric piano (stage, DX, vintage, synth)
  • Organ (jazz, rock, principal, tutti)
  • CLV/VIB (harpsichord 8′, harpsichord 8’+4′, electric clavichord, vibraphone)
  • Strings (strings, slow strings, choir, synth pad)
  • Bass (acoustic, electric, bass and cymbal, fretless)

The digital piano also has a full set of drum sounds.

Despite the voice limitations, styles rendered by the Accompaniment Machine have a good sound on a digital piano, even with no adjustments. The Yamaha device makes sensible substitutions. In general, the resulting sound is more intimate. A big band style transforms to a combo. Often, the simplified sound is more tasteful and pleasing than the original.



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