Building a style library

Styles are MIDI loops included on digital keyboards from Yamaha and other manufacturers from which you can build automatic accompaniments. The feature, which makes a good approximation to a backup band, can turn a simple tune into an interesting performance piece. Yamaha-format styles form the core of our program, the Accompaniment Machine. A typical keyboard […]

PureStyle file format reference

Styles are the versatile automatic accompaniments found on digital keyboards from Yamaha and other manufacturers. There are thousands of Yamaha-format style files available for purchase or download on the Internet. Styles are employed to create custom accompaniments — a virtual backup band for performances. Styles may be installed on keyboards or used in computer programs […]

Style Customizer: bulk style corrections

Styles are the automatic accompaniments available on digital keyboard from Yamaha and other manufacturers. They function like a backup band to spice up performances. The Yamaha-style format has become the de facto standard for style exchange. There are more than a hundred-thousand style files available for download or purchase in all musical genres. Unfortunately, the […]

Using Coolsoft VirtualMIDISynth with AMac

The usual Accompaniment Machine setup for real-time performances is to use a digital keyboard as both the input and output MIDI port. As an alternative, a user could employ a simple keyboard for input while output waveforms could be generated by the computer using a software MIDI driver and the computer sound system. To minimize […]

Where to get keyboard style files

Style files in the format defined by Yamaha are central to the Accompaniment Machine (AMac). Therefore, it’s useful to discuss where to get style files and whether there are any issues of compatibility. The first stop (always at the top of the search page) is the official Yamaha store at http://www.yamahamusicsoft.com. I’ve passed by there […]

Standard keyboard accompaniment style libraries

The previous article described the Shape Shifter program used to organize large groups of style files appropriate for the Accompaniment Machine (AMac) and Yamaha keyboards. The function of the program is to convert ordinary style files to the compact, universal PureStyle format. After some tune-up to improve the identification of redundant files, we applied the […]

Guiding style harmony in the Accompaniment Machine

When performing a piece using styles on a keyboard, the function of the left hand is to signal the harmony applied to the style notes. The required information is 1) the chord root note and 2) the chord type. The easy-chord (or two-finger) system for Yamaha keyboards makes it relatively simple to lead styles harmonically. […]

Yamaha Style Previewer

Coordinating Yamaha styles with your performances is one of the key functions of KBD-Infinity. There is a seemingly infinite set of style files in all genres that you can download from the Internet. Choices range from creations by individual musicians to complete style sets from almost every Yamaha keyboard manufactured. Converted styles for Tyros, Korg […]

Accompaniment Machine MIDI player

We have completed the MIDI Player, the second of the four main windows of the Accompaniment Machine program. This article summarizes its capabilities. Figure 1 shows a screenshot.

Figure 1. Screenshot of the KBD-Infinity MIDI Player window.

The control group in the upper left-hand side gives the option to choose a MIDI device for […]

KBD-Infinity keyboard voice laboratory

We have completed the main technical routines that constitute the foundation of KBD-Infinity. We are now building the four main windows of the program with a goal to a release in early summer. We are testing program functions with the Yamaha PSR E423 keyboard, although the program may be used on any electronic keyboard with […]